Caprinidae is a family of rudists, a group of unusual extinct saltwater clams,

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

heterodont In anatomy, a heterodont (from Greek, meaning 'different teeth') is an animal which possesses more than a single tooth morphology. In vertebrates, heterodont pertains to animals where teeth are differentiated into different forms. For example, ...

bivalves Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...

in the order Hippuritida.GBIF
/ref> These stationary intermediate-level epifaunal suspension feeders lived in the Cretaceous period, from 140.2 to 66.043 Ma. The rudists became extinct at the end of the Cretaceous, apparently as a result of the Cretaceous–Paleogene extinction event. Fossils of this genus have been found in the sediments of Europe, China, Cuba, Egypt, Guatemala, Jamaica, Japan, Mexico, Oman, the Philippines, Turkey, Russia, the United States and Venezuela.

Genera

* †'' Antillocaprina'' * †'' Caprina'' * †'' Caprinula'' * †'' Caprinuloidea'' * †'' Coalcomana'' * †'' Conchemipora'' * †'' Guzzyella'' * †'' Huetamia'' * †'' Jalpania'' * †'' Mathesia'' * †'' Mexicaprina'' * †'' Muellerriedia'' * †'' Neocaprina'' * †'' Offneria'' * †'' Orthoptychus'' * †'' Pachytraga'' * †'' Pacificaprina'' * †'' Pantojaloria'' * †'' Texicaprina'' * †'' Titanosarcolites''

References

Prehistoric bivalve families Cretaceous first appearances Cretaceous extinctions Hippuritida {{paleo-bivalve-stub