Rhacolepis

Rhacolepis; Temporal range: Aptian; ~119–113 Ma PreЄ Є O S D C P T J K Pg N
	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;

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

References

"Rhacolepis". Paleobiology Database. Retrieved 2017-10-13.
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.
Maldanis et al. (2016) Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates

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