Epicephalites
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| Epicephalites Temporal range: U Jurassic | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Perisphinctidae |
| Genus: | †Epicephalites Spath, 1928 |
Epicephalites is a perisphinctid ammonite, included in the subfamily Aulacostephaninae, from the Upper Jurassic of New Zealand and Mexico, related to Involuticeras. Its shell is involute, whorls inflated with a deep umbilicus. The outer half including the venter is ribbed; the inner half is smooth.