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
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| Genus: | Epicephalites Spath, 1928
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References
edit- Treatise on Invertebrate Paleontology, Part L (1957), Mesozoic Ammonoidea. p. 327.
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