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Archive 1 |
what is the scientific name for a diplodocus
Prehistoric animals generally don't have vernacular names. Brutannica 01:30, 27 May 2007 (UTC)
Sometimes though, prehistoric animals have (kinda) vernacular names, "woolly mammoth" for Mammathus, "saber tooth tiger" or "saber tooth cat" for Smilodon, "T.Rex" for Tyrannosaurus. Maybe one could even consider the name brontosaurus a nickname for Apatosaurus. T.Neo ( talk)( contribs) 07:57, 25 April 2008 (UTC)
The article states that the purpose of the long tail is to counterbalance the neck. Is it also possible that the tail was used as a weapon, and that the long neck evolved to counterbalance the tail?
OK, moved the statue image to pop culture as it is nice but not correct anymore (head too high)
now to stick this one in
question is, do folk think it's too light?
Agree I agree that it's not too light.-- Firsfron of Ronchester 15:49, 19 July 2006 (UTC)
Disagree I disagree that it's too light. It shows up fine on my monitor here at home. I'll check it out at work, just to make sure, because my home PC's monitor is a little darker, but I don't forsee issues.-- Firsfron of Ronchester 15:49, 19 July 2006 (UTC)
This needs referencing, bad. The only studies I know of involving the function of teeth settled on high-browsing because of the lack of grit. That may of course be hopelessly outdated, but stuff like the above needs to be referenced. Also, I think the other side of the argument (tripodal feeding posture, with muscular arteries pushing blood to the head) needs to be addressed. John.Conway 16:49, 25 July 2006 (UTC)
John - it is the same as ref 10. I put it there but wasn't familair with double referencning at the time. Will try to fix Cas Liber 23:01, 25 July 2006 (UTC)
This is now the first Second Tier Collaboration 15/11/06-13/12/06 - working up for FAC. Now if someone wants to update a to-do list......................... Cas Liber 03:16, 15 November 2006 (UTC)
Anything else? Firsfron of Ronchester 04:10, 15 November 2006 (UTC)
........like this. I've moved tail bit. Some form of summary of neck bit can go there too I think. Need to rejig images though Cas Liber 08:20, 23 November 2006 (UTC)
OK guys, I rearranged things a bit; 37 refs is looking better. I suddenly thought some bit on origins in/under classification might be good (relationship t oearly sauropods) Cas Liber 23:12, 28 November 2006 (UTC)
for a week or two to attend to some pressing stuff off the computer, though I will try to drop in. Thus feel free to nominate once people feel the article is worthy.. Cas Liber 23:06, 4 December 2006 (UTC)
Someone asked me to peer review this prior to FA candidacy. I read the article, and a few of the other dinosaur articles on Wikipedia. In general, they're of high quality compared to articles on organisms in a number of other categories on Wikipedia. I have to read some of the major taxonomy papers, which I am doing, and will start posting comments as soon as possible.
A few overall comments on dinosaur articles that I think would make them generally more useful are that the articles often fail to give a sense of the type of scientists who study dinosaurs, namely paleontologists and stratigraphers--this should be included in the lead, paleontologists at least, stratigraphers and/or geochronologists should be mentioned in the section on ages. This is all important information to a general audience who may read a single article on dinosaurs. I would like, in general, for names of scientists to include their discipline with the first mention, or some comment about them. There should also be some sense of how important the Morrison Formation is to dinosaur finds in the United States, especially when dealing with a dinosaur that is either well-studied from the Morrison Formation, or found in large quantities, or well known, and dinosaurs should, in genera descriptions, include a single comment about where the major finds are made, the geological formation, paleontological or modern location, in lists of species. The lead paragraph should, imo, include a sentence about the major finds, the most complete find, or the first find. Almost all names should be linked. This will be a problem if there are red links for FAC, but these dinosaur hunters can and should have at least stubs. Mudge, for example, was a Kansas state geologist, and has a page at Oceans of Kansas, [2] Samuel Wendell Williston should be linked, and described as a paleontologist in the article. KP Botany 17:02, 14 December 2006 (UTC)
1."Diplodocus (pronounced /ˌdɪ.pləˈdɔ.kəs/ or /dɪˈplɔd.əkəs/; meaning "double beam") is a genus of diplodocid sauropod dinosaur which lived in what is now western North America at the end of the Jurassic Period."
(not sure; we haven't done it with other FACs...)
2."The generic name is in reference to its double-beamed chevron bones (Greek diplos/διπλος meaning 'double' and dokos/δοκος meaning 'wooden beam' or 'bar').[1]"
3."The chevrons, initially believed to be unique to Diplodocus, have since then been discovered in other diplodocids."
4."Diplodocus was one of the more common dinosaurs found in the Upper Morrison Formation, about 150 to 147 million years ago (Kimmeridgian and Tithonian epochs), in an environment and time dominated by giant sauropods , such as Camarasaurus, Barosaurus, Apatosaurus and Brachiosaurus.[2]"
5."It is among the most easily identifiable dinosaurs, with its classic dinosaur shape, long neck and tail and four sturdy legs. For many years it was the longest dinosaur known."
(info on longest dinos is in description section. This may be too unwieldy for the intro)
6."Its great size may have been a deterrent to contemporaneous predators, such as Allosaurus and Ceratosaurus."
(yep. I have attempted to rewrite)
KP Botany 23:22, 21 December 2006 (UTC)
(have to muse on the last point. The input is very tmely. thankyou) Cas Liber 05:38, 23 December 2006 (UTC)
I forgot to add, when I was a kid in the 70s and it looked like there was no single entity dinosauria, we used to pay alot more attention to Saurischia and Ornithischia than currently, just seem to jump mentally to the groups (sauropods, ceratopsians etc.) Cas Liber 06:01, 23 December 2006 (UTC)
Late Jurassic Climates, Vegetation, and Dinosaur Distributions, a paper comparing dinosaur distributions and climate/vegetation levels, uses faunal stages when discussing the Morrison Formation ("Similarities between the faunas of the Morrison Formation and the dinosaur-bearing sediments of the Tendaguru beds of Tanzania have long been noted (Schuchert 1918; Russell et al. 1980; Maier2003). The deposits both appear to span the Kimmeridgian-Tithonian interval, and their fossil records comprise plants, invertebrates, and a dinosaur-dominated vertebrate assemblage."), and I've found many other professional papers which also contain this usage. Firsfron of Ronchester 00:32, 24 December 2006 (UTC)
The reference for the current Geologic Time Scale is: F.M.Gradstein, J.G.Ogg, A.G.Smith, F.P.Agterberg, W.Bleeker, R.A.Cooper, V.Davydov, P.Gibbard, L.Hinnov, M.R. House, L.Lourens, H-P.Luterbacher, J.McArthur, M.J.Melchin, L.J.Robb, J.Shergold, M.Villeneuve, B.R.Wardlaw, J.Ali, H.Brinkhuis, F.J.Hilgen, J.Hooker, R.J.Howarth, A.H.Knoll, J.Laskar, S.Monechi, J.Powell, K.A.Plumb, I.Raffi, U.Röhl, P.Sadler, A.Sanfilippo, B.Schmitz, N.J.Shackleton, G.A.Shields, H.Strauss, J.Van Dam, J.Veizer, Th.van Kolfschoten, and D.Wilson, 2004. A Geologic Time Scale 2004. Cambridge University Press
However, it should be noted two types of terminology are regulated by the ICS, Chronostratigraphic and Geochronologic. In the first the terms used are: Eonothem, Erathem, System, Series, Stage and substage; whilst in Geochronologic the terms used are: Eon, Era, Period, Epoch, Age and Subage. The two types of terminology refer to different concepts. Chronostratigraphic refers to all the rocks and fossils that are from a length of geological time, whereas Geochronologic refers to the length of time itself. For example the Jurassic Period is the length of time from approximately 200-145 Ma, but the Jurassic System refers to all the rocks and fossils which come from that Period. I mention this as there seems to be some confusion about using Age and Stage in relation to Kimmeridgian, Tithonian etc. Both are correct, however, they refer to differ things. I previously used "faunal stage" as a non-terminological way of describing Tithonian etc, though to be terminologically correct Age is what should be used. I hope this clears things up a bit. Mark t young 14:58, 27 December 2006 (UTC)
(big breath...) Right then, shall we nominate? Cas Liber 01:33, 25 December 2006 (UTC)
i'm not a member of the Wiki Dino project, but i noticed this article's nomination. i find it akward that there is a descriptive note inside the pronunciation article. so if there's no objection in a couple of days, i'll remove it. thanks and more power. -- —The preceding unsigned comment was added by Rebskii ( talk • contribs) 18:08, 29 December 2006 (UTC).
Hmm... there is no information of Diplodocus' assumed weight. Every other dinosaur article have it. According to my encyclopedia, Diplodocus weighed about 10-20 tons, since its bones are hollow. -- Jw21 (PenaltyKillah) 05:16, 10 February 2007 (UTC)
Question. For the image in the info box I personally belive there should be a different image maybe like the one of the images in the posture section. DPM 14:56, 26 May 2007 (UTC)
The first sentence says that the fossilized skeleton of a genus of dinosaurs was found. That doesn't seem possible to me. I'd reword it, but I'm no paleontologist. If I were, I'd probably make it "...is a genus of diplodocid sauropod dinosaur, the first-known representative of which is D. longus, whose fossilised skeleton was discovered in 1877 by S. W. Williston. The generic name...". Milkbreath 01:54, 2 August 2007 (UTC)
I love your solution. It's much better than my suggestion. Milkbreath 02:23, 2 August 2007 (UTC)
Shouldn't the Seismosaurus article be merged into this one? Funkynusayri ( talk) 09:38, 27 January 2008 (UTC)
Yeah, I think so. I recently made seismosaurus redirect to Diplodocus#Valid species. Feel free to revert my edit is neccsary. T.Neo ( talk) 06:41, 15 April 2008 (UTC)
Would one of the contributors to this article consider adding in a tiny bit more information on 'Seismosaurus'. As a layman, I heard the term and tried to look it up here. With the redirect in place it's slightly tricky to work out why one has arrived at the 'Diplodocus' page, though if you read the whole page you can find snippets of info. But (and this is just a suggestion) as well as the list of 'Valid species' and 'Doubtful species', might it make sense to have a 'Disused species name' section (and maybe there's a better name for it than that). That way one could look up a term like 'Seismosaurus' in a straightforward way. I'd do it, but I'm so lacking in knowledge on this subject I think I'd do it very badly. Thanks. Warraqeen ( talk) 07:07, 25 July 2011 (UTC)
There's an instrumental Frank Zappa track called "Diplodocus" on an album called Trance-Fusion, is that in any way notable enough for the pop culture section? I'm a Zappa fan myself, so I'd advocate it! FunkMonk ( talk) 19:08, 10 September 2008 (UTC)
The last sentence in the lead (about how its size may have deterred Allosaurus or Ceratosaurus predation) isn't cited, and it's kind of questionable. These statements about big sauropods being not vulnerable to predators are really common, but seem pretty baseless - wolves are known to kill moose, and the size difference between Allosaurus fragilis and Diplodocus carnegii, or between Allosaurus [Epanterias?] amplexus and D. hallorum, is smaller than that between wolves and moose. —Preceding unsigned comment added by 165.91.175.70 ( talk) 02:48, 29 April 2009 (UTC)
Ok, so these stratigraphic zones have been added to nearly all Morrison fauna articles. I don't have Jurassic West, and I have no idea what this is supposed to mean, what it correlates to, etc. I assume these are like some kind of sub-member in the formation? Have they been dated? There is no mention of them in the main Morrison article. I feel this is too confusing for an FA, and should be either modified to give context and/or linked back to an explanation in Morrison Formation or removed. Seems like such information should have first be added to the faunal tables in that article, and expanded upon, before being added to genera.
Along the same lines, entries on most of the other genera have been incomplete sentences hastily tagged to the end of relevant sections, rather than incorporated into the articles in a fluid manner. I contacted Abyssal about this and he did start clarifying that the zones were part of the Morrison, but has not even been linking that term or adding further explanation to complete the entries. Again, would have been better as a caption in the faunal tables. Dinoguy2 ( talk) 16:45, 24 July 2009 (UTC)
Under German copyright laws, only the exterior, not the interior of museums, is in the public domain. While taking photographs inside is usually allowed when not using a tripod, and sometimes even when doing so, it is always explicitly forbidden (unless the museum expressly permits it) to use the images for anything but "private use". Releasing images for commercial use is not covered. Thus, I am removing the questionable image for now. The Museum für Naturkunde Berlin has, to my certain knowledge, not released anything for use on wikipedia. HMallison ( talk) 10:56, 23 January 2010 (UTC)
"Sammlungsgegenstände von Museen, insbesondere von Kunstmuseen, haben in der Regel Werkcharakter, d.h., sie unterfallen dem Schutz des Urheberrechtsgesetzes" (Collection pieces of museums [...] usually have the character of a 'piece of art', thus are covered by copyright protection).
See also the new article: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1542070 -- Historiograf ( talk) 18:10, 27 January 2010 (UTC)
I notice that an editor has removed most of the 'popular culture' section, citing unsourced claims. Is it really necessary to reference ALL information, even if it is supposed to be common and checkable knowledge (such as the presence of a Diplodocus in Frankfurt)? I'm perfectly willing to do so, but this goes even further than professional literature does. -- Ilja.nieuwland ( talk) 16:25, 18 November 2011 (UTC)
This article has used 'recent' several times. Please define the time more specifically and cite correctly. — Preceding unsigned comment added by 121.210.161.120 ( talk) 09:49, 8 July 2012 (UTC)
"While dinosaurs such as Supersaurus were probably longer, fossil remains of these animals are only fragmentary"
How true is this? WDC DMJ-021 skeleton is 30% complete, and it's just marginally smaller than the BYU type material. Mike.BRZ ( talk) —Preceding undated comment added 21:57, 9 September 2012 (UTC)
What's the citation for Marsh's original description of D. longus? The cited paper only mentions Diplodocus once, doesn't mention D. longus as type species and provides no type specimen or description. What's the deal? Abyssal ( talk) 17:21, 14 April 2014 (UTC)
Technically speaking Seismosaurus was over 33 metres long, around 33-36 metres according to the info reported when it's size was reduced. Also 33 metres scales isometrically proportionate with Diplodocus (20% longer). This is untrue since Seismosaurus had a disproportionately long neck and tail. It really would have been longer. In fact the book Seismosaurus the Earthshaker says so also stating that though it is difficult to estimate how much longer than Diplodocus Seismosaurus was it was certainly longer than the 20% estimate gathered through isometric proportions. Most sources including Wikipedia gives a length of 35 metres for Seismosaurus, or 34-36 metres. Answer if this is true and correct if not.
Just for more accurate info the palaeontologists who revised the length of Seismosaurus/Diplodocus said that it was up to 36 metres long, more specifically 33-36 metres long.
One more thing, how much percent was thrown off 54 metres? Some sources say 30, others say 40. And how long was Diplodocus Longus? — Preceding unsigned comment added by 112.134.196.142 ( talk) 06:18, 1 June 2014 (UTC)
I think there should be a sub category on this page for Seismosaurus since there isn't enough detail. What do you think? — Preceding unsigned comment added by 112.135.135.167 ( talk) 13:07, 2 June 2014 (UTC)
I originally posted this over at the Apatosaurus page; Mike Taylor's published a new paper about the effects of cartilage on the neutral neck pose in diplodocids. https://peerj.com/articles/712.pdf Lythronaxargestes ( talk) 19:56, 30 December 2014 (UTC)
Holtz estimates Diplodocus as 30 m (98 ft). Which species is he talking about? Dinosaur Fan ( talk) 23:57, 3 January 2015 (UTC)
The 2015 revision appears to state that no definite Diplodocus skull is known (which makes the skull mechanics papers cited here problematic), but claims a few are "probably" Diplodocus. If that's the case, what is the skull that D. carnegii specimen CM 84 is often depicted with? The paragraph in question: "However, because no overlap exists with any of the type specimens of Diplodocus species, referral of CM 11161 to that genus remains controversial. Given that no skull with articulated vertebrae included in our analysis can be confidently referred to Diplodocus". [5] FunkMonk ( talk) 01:57, 8 April 2015 (UTC)
The Czerkas paper describing the Howe Quarry diplodocid spines (all specimens in the Howe Quarry are now referred to either Kaatedocus or Barosaurs, no Diplodocus are present) states that most of the spines were found isolated away from any bones except a few examples associated with the "whiplash" section of the tail. Czerkas speculated that they may have extended onto the tail, back, and neck based on comparison with hadrosaurs, though there's no evidence for this. Currently, all of the life restorations in this article show spiny Diplodocus, with spines everywhere BUT the section of the tail they are known from in Kaatedocus/Barosaurus. Is this enough to call them inaccurate, or plausible because Diplodocus is still a different species for which spines are not actually known? The presence of the spines on the whiplash seems to imply some kind of defensive use. Dinoguy2 ( talk) 15:14, 5 December 2015 (UTC)
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Hello, I'm the author of the recent publication on Diplodocus skin. I wanted to add my published research to the article, but I've noticed that the paragraph I added has been removed. Could I know why? Spinosaurid ( talk) 04:52, 1 May 2021 (UTC)
This is an archive of past discussions. Do not edit the contents of this page. If you wish to start a new discussion or revive an old one, please do so on the current talk page. |
Archive 1 |
what is the scientific name for a diplodocus
Prehistoric animals generally don't have vernacular names. Brutannica 01:30, 27 May 2007 (UTC)
Sometimes though, prehistoric animals have (kinda) vernacular names, "woolly mammoth" for Mammathus, "saber tooth tiger" or "saber tooth cat" for Smilodon, "T.Rex" for Tyrannosaurus. Maybe one could even consider the name brontosaurus a nickname for Apatosaurus. T.Neo ( talk)( contribs) 07:57, 25 April 2008 (UTC)
The article states that the purpose of the long tail is to counterbalance the neck. Is it also possible that the tail was used as a weapon, and that the long neck evolved to counterbalance the tail?
OK, moved the statue image to pop culture as it is nice but not correct anymore (head too high)
now to stick this one in
question is, do folk think it's too light?
Agree I agree that it's not too light.-- Firsfron of Ronchester 15:49, 19 July 2006 (UTC)
Disagree I disagree that it's too light. It shows up fine on my monitor here at home. I'll check it out at work, just to make sure, because my home PC's monitor is a little darker, but I don't forsee issues.-- Firsfron of Ronchester 15:49, 19 July 2006 (UTC)
This needs referencing, bad. The only studies I know of involving the function of teeth settled on high-browsing because of the lack of grit. That may of course be hopelessly outdated, but stuff like the above needs to be referenced. Also, I think the other side of the argument (tripodal feeding posture, with muscular arteries pushing blood to the head) needs to be addressed. John.Conway 16:49, 25 July 2006 (UTC)
John - it is the same as ref 10. I put it there but wasn't familair with double referencning at the time. Will try to fix Cas Liber 23:01, 25 July 2006 (UTC)
This is now the first Second Tier Collaboration 15/11/06-13/12/06 - working up for FAC. Now if someone wants to update a to-do list......................... Cas Liber 03:16, 15 November 2006 (UTC)
Anything else? Firsfron of Ronchester 04:10, 15 November 2006 (UTC)
........like this. I've moved tail bit. Some form of summary of neck bit can go there too I think. Need to rejig images though Cas Liber 08:20, 23 November 2006 (UTC)
OK guys, I rearranged things a bit; 37 refs is looking better. I suddenly thought some bit on origins in/under classification might be good (relationship t oearly sauropods) Cas Liber 23:12, 28 November 2006 (UTC)
for a week or two to attend to some pressing stuff off the computer, though I will try to drop in. Thus feel free to nominate once people feel the article is worthy.. Cas Liber 23:06, 4 December 2006 (UTC)
Someone asked me to peer review this prior to FA candidacy. I read the article, and a few of the other dinosaur articles on Wikipedia. In general, they're of high quality compared to articles on organisms in a number of other categories on Wikipedia. I have to read some of the major taxonomy papers, which I am doing, and will start posting comments as soon as possible.
A few overall comments on dinosaur articles that I think would make them generally more useful are that the articles often fail to give a sense of the type of scientists who study dinosaurs, namely paleontologists and stratigraphers--this should be included in the lead, paleontologists at least, stratigraphers and/or geochronologists should be mentioned in the section on ages. This is all important information to a general audience who may read a single article on dinosaurs. I would like, in general, for names of scientists to include their discipline with the first mention, or some comment about them. There should also be some sense of how important the Morrison Formation is to dinosaur finds in the United States, especially when dealing with a dinosaur that is either well-studied from the Morrison Formation, or found in large quantities, or well known, and dinosaurs should, in genera descriptions, include a single comment about where the major finds are made, the geological formation, paleontological or modern location, in lists of species. The lead paragraph should, imo, include a sentence about the major finds, the most complete find, or the first find. Almost all names should be linked. This will be a problem if there are red links for FAC, but these dinosaur hunters can and should have at least stubs. Mudge, for example, was a Kansas state geologist, and has a page at Oceans of Kansas, [2] Samuel Wendell Williston should be linked, and described as a paleontologist in the article. KP Botany 17:02, 14 December 2006 (UTC)
1."Diplodocus (pronounced /ˌdɪ.pləˈdɔ.kəs/ or /dɪˈplɔd.əkəs/; meaning "double beam") is a genus of diplodocid sauropod dinosaur which lived in what is now western North America at the end of the Jurassic Period."
(not sure; we haven't done it with other FACs...)
2."The generic name is in reference to its double-beamed chevron bones (Greek diplos/διπλος meaning 'double' and dokos/δοκος meaning 'wooden beam' or 'bar').[1]"
3."The chevrons, initially believed to be unique to Diplodocus, have since then been discovered in other diplodocids."
4."Diplodocus was one of the more common dinosaurs found in the Upper Morrison Formation, about 150 to 147 million years ago (Kimmeridgian and Tithonian epochs), in an environment and time dominated by giant sauropods , such as Camarasaurus, Barosaurus, Apatosaurus and Brachiosaurus.[2]"
5."It is among the most easily identifiable dinosaurs, with its classic dinosaur shape, long neck and tail and four sturdy legs. For many years it was the longest dinosaur known."
(info on longest dinos is in description section. This may be too unwieldy for the intro)
6."Its great size may have been a deterrent to contemporaneous predators, such as Allosaurus and Ceratosaurus."
(yep. I have attempted to rewrite)
KP Botany 23:22, 21 December 2006 (UTC)
(have to muse on the last point. The input is very tmely. thankyou) Cas Liber 05:38, 23 December 2006 (UTC)
I forgot to add, when I was a kid in the 70s and it looked like there was no single entity dinosauria, we used to pay alot more attention to Saurischia and Ornithischia than currently, just seem to jump mentally to the groups (sauropods, ceratopsians etc.) Cas Liber 06:01, 23 December 2006 (UTC)
Late Jurassic Climates, Vegetation, and Dinosaur Distributions, a paper comparing dinosaur distributions and climate/vegetation levels, uses faunal stages when discussing the Morrison Formation ("Similarities between the faunas of the Morrison Formation and the dinosaur-bearing sediments of the Tendaguru beds of Tanzania have long been noted (Schuchert 1918; Russell et al. 1980; Maier2003). The deposits both appear to span the Kimmeridgian-Tithonian interval, and their fossil records comprise plants, invertebrates, and a dinosaur-dominated vertebrate assemblage."), and I've found many other professional papers which also contain this usage. Firsfron of Ronchester 00:32, 24 December 2006 (UTC)
The reference for the current Geologic Time Scale is: F.M.Gradstein, J.G.Ogg, A.G.Smith, F.P.Agterberg, W.Bleeker, R.A.Cooper, V.Davydov, P.Gibbard, L.Hinnov, M.R. House, L.Lourens, H-P.Luterbacher, J.McArthur, M.J.Melchin, L.J.Robb, J.Shergold, M.Villeneuve, B.R.Wardlaw, J.Ali, H.Brinkhuis, F.J.Hilgen, J.Hooker, R.J.Howarth, A.H.Knoll, J.Laskar, S.Monechi, J.Powell, K.A.Plumb, I.Raffi, U.Röhl, P.Sadler, A.Sanfilippo, B.Schmitz, N.J.Shackleton, G.A.Shields, H.Strauss, J.Van Dam, J.Veizer, Th.van Kolfschoten, and D.Wilson, 2004. A Geologic Time Scale 2004. Cambridge University Press
However, it should be noted two types of terminology are regulated by the ICS, Chronostratigraphic and Geochronologic. In the first the terms used are: Eonothem, Erathem, System, Series, Stage and substage; whilst in Geochronologic the terms used are: Eon, Era, Period, Epoch, Age and Subage. The two types of terminology refer to different concepts. Chronostratigraphic refers to all the rocks and fossils that are from a length of geological time, whereas Geochronologic refers to the length of time itself. For example the Jurassic Period is the length of time from approximately 200-145 Ma, but the Jurassic System refers to all the rocks and fossils which come from that Period. I mention this as there seems to be some confusion about using Age and Stage in relation to Kimmeridgian, Tithonian etc. Both are correct, however, they refer to differ things. I previously used "faunal stage" as a non-terminological way of describing Tithonian etc, though to be terminologically correct Age is what should be used. I hope this clears things up a bit. Mark t young 14:58, 27 December 2006 (UTC)
(big breath...) Right then, shall we nominate? Cas Liber 01:33, 25 December 2006 (UTC)
i'm not a member of the Wiki Dino project, but i noticed this article's nomination. i find it akward that there is a descriptive note inside the pronunciation article. so if there's no objection in a couple of days, i'll remove it. thanks and more power. -- —The preceding unsigned comment was added by Rebskii ( talk • contribs) 18:08, 29 December 2006 (UTC).
Hmm... there is no information of Diplodocus' assumed weight. Every other dinosaur article have it. According to my encyclopedia, Diplodocus weighed about 10-20 tons, since its bones are hollow. -- Jw21 (PenaltyKillah) 05:16, 10 February 2007 (UTC)
Question. For the image in the info box I personally belive there should be a different image maybe like the one of the images in the posture section. DPM 14:56, 26 May 2007 (UTC)
The first sentence says that the fossilized skeleton of a genus of dinosaurs was found. That doesn't seem possible to me. I'd reword it, but I'm no paleontologist. If I were, I'd probably make it "...is a genus of diplodocid sauropod dinosaur, the first-known representative of which is D. longus, whose fossilised skeleton was discovered in 1877 by S. W. Williston. The generic name...". Milkbreath 01:54, 2 August 2007 (UTC)
I love your solution. It's much better than my suggestion. Milkbreath 02:23, 2 August 2007 (UTC)
Shouldn't the Seismosaurus article be merged into this one? Funkynusayri ( talk) 09:38, 27 January 2008 (UTC)
Yeah, I think so. I recently made seismosaurus redirect to Diplodocus#Valid species. Feel free to revert my edit is neccsary. T.Neo ( talk) 06:41, 15 April 2008 (UTC)
Would one of the contributors to this article consider adding in a tiny bit more information on 'Seismosaurus'. As a layman, I heard the term and tried to look it up here. With the redirect in place it's slightly tricky to work out why one has arrived at the 'Diplodocus' page, though if you read the whole page you can find snippets of info. But (and this is just a suggestion) as well as the list of 'Valid species' and 'Doubtful species', might it make sense to have a 'Disused species name' section (and maybe there's a better name for it than that). That way one could look up a term like 'Seismosaurus' in a straightforward way. I'd do it, but I'm so lacking in knowledge on this subject I think I'd do it very badly. Thanks. Warraqeen ( talk) 07:07, 25 July 2011 (UTC)
There's an instrumental Frank Zappa track called "Diplodocus" on an album called Trance-Fusion, is that in any way notable enough for the pop culture section? I'm a Zappa fan myself, so I'd advocate it! FunkMonk ( talk) 19:08, 10 September 2008 (UTC)
The last sentence in the lead (about how its size may have deterred Allosaurus or Ceratosaurus predation) isn't cited, and it's kind of questionable. These statements about big sauropods being not vulnerable to predators are really common, but seem pretty baseless - wolves are known to kill moose, and the size difference between Allosaurus fragilis and Diplodocus carnegii, or between Allosaurus [Epanterias?] amplexus and D. hallorum, is smaller than that between wolves and moose. —Preceding unsigned comment added by 165.91.175.70 ( talk) 02:48, 29 April 2009 (UTC)
Ok, so these stratigraphic zones have been added to nearly all Morrison fauna articles. I don't have Jurassic West, and I have no idea what this is supposed to mean, what it correlates to, etc. I assume these are like some kind of sub-member in the formation? Have they been dated? There is no mention of them in the main Morrison article. I feel this is too confusing for an FA, and should be either modified to give context and/or linked back to an explanation in Morrison Formation or removed. Seems like such information should have first be added to the faunal tables in that article, and expanded upon, before being added to genera.
Along the same lines, entries on most of the other genera have been incomplete sentences hastily tagged to the end of relevant sections, rather than incorporated into the articles in a fluid manner. I contacted Abyssal about this and he did start clarifying that the zones were part of the Morrison, but has not even been linking that term or adding further explanation to complete the entries. Again, would have been better as a caption in the faunal tables. Dinoguy2 ( talk) 16:45, 24 July 2009 (UTC)
Under German copyright laws, only the exterior, not the interior of museums, is in the public domain. While taking photographs inside is usually allowed when not using a tripod, and sometimes even when doing so, it is always explicitly forbidden (unless the museum expressly permits it) to use the images for anything but "private use". Releasing images for commercial use is not covered. Thus, I am removing the questionable image for now. The Museum für Naturkunde Berlin has, to my certain knowledge, not released anything for use on wikipedia. HMallison ( talk) 10:56, 23 January 2010 (UTC)
"Sammlungsgegenstände von Museen, insbesondere von Kunstmuseen, haben in der Regel Werkcharakter, d.h., sie unterfallen dem Schutz des Urheberrechtsgesetzes" (Collection pieces of museums [...] usually have the character of a 'piece of art', thus are covered by copyright protection).
See also the new article: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1542070 -- Historiograf ( talk) 18:10, 27 January 2010 (UTC)
I notice that an editor has removed most of the 'popular culture' section, citing unsourced claims. Is it really necessary to reference ALL information, even if it is supposed to be common and checkable knowledge (such as the presence of a Diplodocus in Frankfurt)? I'm perfectly willing to do so, but this goes even further than professional literature does. -- Ilja.nieuwland ( talk) 16:25, 18 November 2011 (UTC)
This article has used 'recent' several times. Please define the time more specifically and cite correctly. — Preceding unsigned comment added by 121.210.161.120 ( talk) 09:49, 8 July 2012 (UTC)
"While dinosaurs such as Supersaurus were probably longer, fossil remains of these animals are only fragmentary"
How true is this? WDC DMJ-021 skeleton is 30% complete, and it's just marginally smaller than the BYU type material. Mike.BRZ ( talk) —Preceding undated comment added 21:57, 9 September 2012 (UTC)
What's the citation for Marsh's original description of D. longus? The cited paper only mentions Diplodocus once, doesn't mention D. longus as type species and provides no type specimen or description. What's the deal? Abyssal ( talk) 17:21, 14 April 2014 (UTC)
Technically speaking Seismosaurus was over 33 metres long, around 33-36 metres according to the info reported when it's size was reduced. Also 33 metres scales isometrically proportionate with Diplodocus (20% longer). This is untrue since Seismosaurus had a disproportionately long neck and tail. It really would have been longer. In fact the book Seismosaurus the Earthshaker says so also stating that though it is difficult to estimate how much longer than Diplodocus Seismosaurus was it was certainly longer than the 20% estimate gathered through isometric proportions. Most sources including Wikipedia gives a length of 35 metres for Seismosaurus, or 34-36 metres. Answer if this is true and correct if not.
Just for more accurate info the palaeontologists who revised the length of Seismosaurus/Diplodocus said that it was up to 36 metres long, more specifically 33-36 metres long.
One more thing, how much percent was thrown off 54 metres? Some sources say 30, others say 40. And how long was Diplodocus Longus? — Preceding unsigned comment added by 112.134.196.142 ( talk) 06:18, 1 June 2014 (UTC)
I think there should be a sub category on this page for Seismosaurus since there isn't enough detail. What do you think? — Preceding unsigned comment added by 112.135.135.167 ( talk) 13:07, 2 June 2014 (UTC)
I originally posted this over at the Apatosaurus page; Mike Taylor's published a new paper about the effects of cartilage on the neutral neck pose in diplodocids. https://peerj.com/articles/712.pdf Lythronaxargestes ( talk) 19:56, 30 December 2014 (UTC)
Holtz estimates Diplodocus as 30 m (98 ft). Which species is he talking about? Dinosaur Fan ( talk) 23:57, 3 January 2015 (UTC)
The 2015 revision appears to state that no definite Diplodocus skull is known (which makes the skull mechanics papers cited here problematic), but claims a few are "probably" Diplodocus. If that's the case, what is the skull that D. carnegii specimen CM 84 is often depicted with? The paragraph in question: "However, because no overlap exists with any of the type specimens of Diplodocus species, referral of CM 11161 to that genus remains controversial. Given that no skull with articulated vertebrae included in our analysis can be confidently referred to Diplodocus". [5] FunkMonk ( talk) 01:57, 8 April 2015 (UTC)
The Czerkas paper describing the Howe Quarry diplodocid spines (all specimens in the Howe Quarry are now referred to either Kaatedocus or Barosaurs, no Diplodocus are present) states that most of the spines were found isolated away from any bones except a few examples associated with the "whiplash" section of the tail. Czerkas speculated that they may have extended onto the tail, back, and neck based on comparison with hadrosaurs, though there's no evidence for this. Currently, all of the life restorations in this article show spiny Diplodocus, with spines everywhere BUT the section of the tail they are known from in Kaatedocus/Barosaurus. Is this enough to call them inaccurate, or plausible because Diplodocus is still a different species for which spines are not actually known? The presence of the spines on the whiplash seems to imply some kind of defensive use. Dinoguy2 ( talk) 15:14, 5 December 2015 (UTC)
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Hello, I'm the author of the recent publication on Diplodocus skin. I wanted to add my published research to the article, but I've noticed that the paragraph I added has been removed. Could I know why? Spinosaurid ( talk) 04:52, 1 May 2021 (UTC)