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Sigmodontinae
Temporal range: Early Pliocene - recent
O
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Hispid cotton rat (Sigmodon hispidus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Wagner, 1843
Tribes

See text

The rodent subfamily Sigmodontinae includes New World rats and mice, with at least 376 species. Many authorities include the Neotominae and Tylomyinae as part of a larger definition of Sigmodontinae. When those genera are included, the species count numbers at least 508. Their distribution includes much of the New World, but the genera are predominantly South American, such as brucies. They invaded South America from Central America as part of the Great American Interchange near the end of the Miocene, about 5 million years ago. [1] Sigmodontines proceeded to diversify explosively in the formerly isolated continent. They inhabit many of the same ecological niches that the Murinae occupy in the Old World.

The "Thomasomyini" from the Atlantic Forest of Brazil are generally thought to be not especially related to the "real" Thomasomyini from the northern Andes and the Amazon rainforest. The genera Wiedomys and Sigmodon are generally placed in their own tribe, and the "phyllotines" Irenomys, Punomys, Euneomys, and Reithrodon are considered incertae sedis.

The name "Sigmodontinae" is based on the name of the type genus, Sigmodon. This name in turn derives from the Greek roots for "S-tooth" ( sigm- for "S" and odont- for "tooth", as in orthodontist) for the characteristic of the molars having an S-shape when viewed from above.

Species

The Sigmodontinae are divided into a number of tribes and genera:

Incertae sedis

See also

References

  1. ^ Marshall, L. G.; Butler, R. F.; Drake, R. E.; Curtis, G. H.; Tedford, R. H. (1979-04-20). "Calibration of the Great American Interchange". Science. 204 (4390). AAAS: 272–279. Bibcode: 1979Sci...204..272M. doi: 10.1126/science.204.4390.272. PMID  17800342. S2CID  8625188. Retrieved 2008-04-15.
  2. ^ Salazar-Bravo, Jorge; Tinoco, Nicolás; Zeballos, Horacio; Brito, Jorge; Arenas-Viveros, Daniela; Marín-C., David; Ramírez-Fernández, José Daniel; Percequillo, Alexandre Reis; Lee, Thomas E.; Solari, Sergio; Colmenares-Pinzon, Javier; Nivelo, Carlos; Rodríguez-Herrera, Bernal; Merino, William; Medina, Cesar E.; Murillo-García, Oscar; Pardiñas, Ulyses Francisco José (2023). "Systematics and diversification of the Ichthyomyini (Cricetidae, Sigmodontinae) revisited: evidence from molecular, morphological, and combined approaches". PeerJ. 11: e14319. doi: 10.7717/peerj.14319. hdl: 2346/92763. PMID  36655048.
  3. ^ Pine, Ronald H.; Timm, R.M.; Wecksler, M. (June 2012). "A newly recognized clade of trans-Andean Oryzomyini (Rodentia: Cricetidae), with description of a new genus". Journal of Mammalogy. 93 (3): 851–870. doi: 10.1644/11-MAMM-A-296.1. S2CID  86336376.
  4. ^ Timm, Robert M.; Pine, R.H.; Hanson, J.D. (April 2018). "A new species of Tanyuromys Pine, Timm, and Weksler, 2012 (Cricetidae: Oryzomyini), with comments on relationships within the Orizomyini". Journal of Mammalogy. 99 (3): 608–623. doi: 10.1093/jmammal/gyy042.
  5. ^ Zijlstra, J. S.; McFarlane, D. A.; Van Den Hoek Ostende, L. W.; Lundberg, J. (2014). "New rodents (Cricetidae) from the Neogene of Curaçao and Bonaire, Dutch Antilles". Palaeontology. 57 (5): 895–908. Bibcode: 2014Palgy..57..895Z. doi: 10.1111/pala.12091. S2CID  22539800.

External links

Retrieved from " https://en.wikipedia.org/?title=Sigmodontinae&oldid=1218996932"
From Wikipedia, the free encyclopedia

Sigmodontinae
Temporal range: Early Pliocene - recent
O
S
D
C
P
T
J
K
N
↓
Hispid cotton rat (Sigmodon hispidus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Sigmodontinae
Wagner, 1843
Tribes

See text

The rodent subfamily Sigmodontinae includes New World rats and mice, with at least 376 species. Many authorities include the Neotominae and Tylomyinae as part of a larger definition of Sigmodontinae. When those genera are included, the species count numbers at least 508. Their distribution includes much of the New World, but the genera are predominantly South American, such as brucies. They invaded South America from Central America as part of the Great American Interchange near the end of the Miocene, about 5 million years ago. [1] Sigmodontines proceeded to diversify explosively in the formerly isolated continent. They inhabit many of the same ecological niches that the Murinae occupy in the Old World.

The "Thomasomyini" from the Atlantic Forest of Brazil are generally thought to be not especially related to the "real" Thomasomyini from the northern Andes and the Amazon rainforest. The genera Wiedomys and Sigmodon are generally placed in their own tribe, and the "phyllotines" Irenomys, Punomys, Euneomys, and Reithrodon are considered incertae sedis.

The name "Sigmodontinae" is based on the name of the type genus, Sigmodon. This name in turn derives from the Greek roots for "S-tooth" ( sigm- for "S" and odont- for "tooth", as in orthodontist) for the characteristic of the molars having an S-shape when viewed from above.

Species

The Sigmodontinae are divided into a number of tribes and genera:

Incertae sedis

See also

References

  1. ^ Marshall, L. G.; Butler, R. F.; Drake, R. E.; Curtis, G. H.; Tedford, R. H. (1979-04-20). "Calibration of the Great American Interchange". Science. 204 (4390). AAAS: 272–279. Bibcode: 1979Sci...204..272M. doi: 10.1126/science.204.4390.272. PMID  17800342. S2CID  8625188. Retrieved 2008-04-15.
  2. ^ Salazar-Bravo, Jorge; Tinoco, Nicolás; Zeballos, Horacio; Brito, Jorge; Arenas-Viveros, Daniela; Marín-C., David; Ramírez-Fernández, José Daniel; Percequillo, Alexandre Reis; Lee, Thomas E.; Solari, Sergio; Colmenares-Pinzon, Javier; Nivelo, Carlos; Rodríguez-Herrera, Bernal; Merino, William; Medina, Cesar E.; Murillo-García, Oscar; Pardiñas, Ulyses Francisco José (2023). "Systematics and diversification of the Ichthyomyini (Cricetidae, Sigmodontinae) revisited: evidence from molecular, morphological, and combined approaches". PeerJ. 11: e14319. doi: 10.7717/peerj.14319. hdl: 2346/92763. PMID  36655048.
  3. ^ Pine, Ronald H.; Timm, R.M.; Wecksler, M. (June 2012). "A newly recognized clade of trans-Andean Oryzomyini (Rodentia: Cricetidae), with description of a new genus". Journal of Mammalogy. 93 (3): 851–870. doi: 10.1644/11-MAMM-A-296.1. S2CID  86336376.
  4. ^ Timm, Robert M.; Pine, R.H.; Hanson, J.D. (April 2018). "A new species of Tanyuromys Pine, Timm, and Weksler, 2012 (Cricetidae: Oryzomyini), with comments on relationships within the Orizomyini". Journal of Mammalogy. 99 (3): 608–623. doi: 10.1093/jmammal/gyy042.
  5. ^ Zijlstra, J. S.; McFarlane, D. A.; Van Den Hoek Ostende, L. W.; Lundberg, J. (2014). "New rodents (Cricetidae) from the Neogene of Curaçao and Bonaire, Dutch Antilles". Palaeontology. 57 (5): 895–908. Bibcode: 2014Palgy..57..895Z. doi: 10.1111/pala.12091. S2CID  22539800.

External links

Retrieved from " https://en.wikipedia.org/?title=Sigmodontinae&oldid=1218996932"

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