Diceras

noun

Dic·​er·​as

ˈdīsərəs,

dīˈserəs

: a genus (the type of the family Diceratidae) of Jurassic lamellibranchs with the umbones of both valves produced and spirally curved and the hinges thick and bearing prominent teeth

Word History

Etymology

New Latin, from di- + -ceras

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