Definition of Diceras
: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
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Diceras
noun
Dic·er·as
\
ˈdīsərəs
,
dīˈserəs
\
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Origin and Etymology of diceras
New Latin, from di- + -ceras
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