Rank Genus | Phylum Mollusca Superfamily Tropitaceae | |
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Arnioceltites is a genus of Late Triassic ammonites that has been found in the Alps, Sicily, and possibly in California. The shell is evolute and ribbed, with the outer whorls becoming smooth. Arnioceltities is included in the Tropiceltitidae family of the ceeratitid superfamily Tropitaceae.
References
Arnioceltites Wikipedia(Text) CC BY-SA