Cymatoceras pacificum Matsumoto and Muramoto 1983 (nautiloid)

Cephalopoda - Nautilida - Nautilidae

Full reference: T. Matsumoto and K. Muramoto. 1983. Cretaceous nautiloids from Hokkaido - II. Part 2. Three nautiloid species from the Santonian and Campanian of Hokkaido. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 130:85-95

Belongs to Cymatoceras according to T. Matsumoto and K. Muramoto 1983

Sister taxa: Cymatoceras albense, Cymatoceras atlas, Cymatoceras bayfieldi, Cymatoceras bifidum, Cymatoceras bifurcatum, Cymatoceras carlottense, Cymatoceras cenomanense, Cymatoceras colombiana, Cymatoceras columbinum, Cymatoceras crebricostatum, Cymatoceras deslongchampsianum, Cymatoceras eichwaldi, Cymatoceras elegans, Cymatoceras hendersoni, Cymatoceras hilli, Cymatoceras honmai, Cymatoceras hunstantonensis, Cymatoceras huxleyanum, Cymatoceras karakaschi, Cymatoceras kayeanum, Cymatoceras kossmati, Cymatoceras loricatum, Cymatoceras ludevigi, Cymatoceras manuanensis, Cymatoceras mikado, Cymatoceras neckerianum, Cymatoceras negama, Cymatoceras neocomiense, Cymatoceras paralibanoticum, Cymatoceras patagonicum, Cymatoceras patens, Cymatoceras perstriatum, Cymatoceras picteti, Cymatoceras pseudoatlas, Cymatoceras pseudoelegans, Cymatoceras pseudonegama, Cymatoceras pseudoneokomiense, Cymatoceras pulchrum, Cymatoceras radiatum, Cymatoceras renngarteni, Cymatoceras sakalavum, Cymatoceras sarysuense, Cymatoceras savelievi, Cymatoceras semilobatum, Cymatoceras sharpei, Cymatoceras tenuicostatum, Cymatoceras tourtiae, Cymatoceras tskaltsithelense, Cymatoceras tsukushiense, Cymatoceras virgatum, Cymatoceras yabei, Nautilus (Cymatoceras) formosus, Nautilus (Cymatoceras) saussureanus

Type specimen: MC.TS-3025, a shell. Its type locality is Yamato, Wakkawembets stream, which is in a Campanian marine mudstone in Japan.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 90.5

Distribution:

• Cretaceous of Japan (1 collection), the Russian Federation (1)

Total: 2 collections each including a single occurrence

Show more details