Rhacolepis

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]

Fossil in Vienna

Rhacolepis
Temporal range: Aptian
~119–113 Ma
Rhacolepis buccalis
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Crossognathiformes[1]
Family:
Pachyrhizodontidae
Genus:
Rhacolepis

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

References
  1. "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". Journal of Paleontology. 76 (1): 138–155. doi:10.1666/0022-3360(2002)076<0138:TCFUJR>2.0.CO;2.
  3. Maldanis et al. (2016) Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates


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