Cymatoceras

Cymatoceras is a wide-ranging extinct genus from the nautilitacean cephalopod family, Cymatoceratidae. They lived from the Late Jurassic to Late Oligocene, roughly from 155 to 23 Ma.

== Species == The following species of Cymatoceras have been described: C. albense C. atlas C. bayfieldi C. bifidum C. bifurcatum C. carlottense C. cenomanense C. colombiana C. crebricostatum C. deslongchampsianum C. eichwaldi C. elegans C. hendersoni C. hilli C. honmai C. hunstantonensis C. huxleyanum C. karakaschi C. kayeanum C. kossmati C. loricatum C. ludevigi C. manuanensis C. mikado C. neckerianum C. negama C. neocomiense C. pacificum C. paralibanoticum C. patagonicum C. patens C. perstriatum C. picteti C. pseudoatlas C. pseudoelegans C. pseudoneokomiense C. pseudonegama C. pulchrum C. radiatum C. renngarteni C. sakalavum C. sarysuense C. savelievi C. semilobatum C. sharpei C. tenuicostatum C. tourtiae C. tskaltsithelense C. tsukushiense C. virgatum C. yabei