| hippurite | <paleontology> A fossil bivalve mollusk of the genus Hippurites, of many species, having a conical, cup-shaped under valve, with a flattish upper valve or lid. Hippurites are found only in the Cretaceous rocks. Origin: Gr. Decked with a horse's tail; horse + tail: cf. F. Hippurite. Source: Websters Dictionary (01 Mar 1998) |
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