| 释义 |
dic·er·as
\ˈdīsərəs, dīˈserəs\ noun
Usage: capitalized
Etymology: New Latin, from di- + -ceras
: 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 |