From Wikipedia, the free encyclopedia

Rhacolepis
Temporal range: Aptian
~119–113  Ma
Rhacolepis buccalis
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Rhacolepis

Agassiz 1843
Species
  • R. buccalis Agassiz 1841
  • R. latus Agassiz 1841

Rhacolepis is an extinct genus of ray-finned fish [1] from the Cretaceous Santana Formation of Brazil. [2] Complete fossilised hearts from this species have been recovered. [3]

R. buccalis skull
Inside the stomach of a Notelops brama.
R. buccalis with several hundred small shrimp in stomach.
Fossil in Vienna

References

  1. ^ a b "Rhacolepis". Paleobiology Database. Retrieved 2017-10-13.
  2. ^ Donald B. Brinkman & A. G. Neuman (2002). "Teleost centra from uppermost Judith River Group (Dinosaur Park Formation, Campanian) of Alberta, Canada" (PDF). Journal of Paleontology. 76 (1): 138–155. doi: 10.1666/0022-3360(2002)076<0138:TCFUJR>2.0.CO;2. S2CID  130770708.
  3. ^ Maldanis et al. (2016) Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates


From Wikipedia, the free encyclopedia

Rhacolepis
Temporal range: Aptian
~119–113  Ma
Rhacolepis buccalis
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Rhacolepis

Agassiz 1843
Species
  • R. buccalis Agassiz 1841
  • R. latus Agassiz 1841

Rhacolepis is an extinct genus of ray-finned fish [1] from the Cretaceous Santana Formation of Brazil. [2] Complete fossilised hearts from this species have been recovered. [3]

R. buccalis skull
Inside the stomach of a Notelops brama.
R. buccalis with several hundred small shrimp in stomach.
Fossil in Vienna

References

  1. ^ a b "Rhacolepis". Paleobiology Database. Retrieved 2017-10-13.
  2. ^ Donald B. Brinkman & A. G. Neuman (2002). "Teleost centra from uppermost Judith River Group (Dinosaur Park Formation, Campanian) of Alberta, Canada" (PDF). Journal of Paleontology. 76 (1): 138–155. doi: 10.1666/0022-3360(2002)076<0138:TCFUJR>2.0.CO;2. S2CID  130770708.
  3. ^ Maldanis et al. (2016) Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates



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