Epicephalites is a perisphictid 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.

Epicephalites
Temporal range: U Jurassic
Scientific classification
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Epicephalites

Spath, 1928

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