Docidoceras

Docidoceras is an extinct ammonite genus from the order Ammonitida that lived during the Middle Jurassic. Docidoceras is included in the family Otoitidae which makes up part of the ammonite superfamily Stephanoceratoidea.

Docidoceras Temporal range: Bajocian[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Superfamily:	Stephanoceratoidea
Family:	Otoitidae
Genus:	Docidoceras Buckman, 1919[2]
Species[3]
D. biforme D. chandleri D. chocsinkyi D. cylindroides D. wysogorskii D. zemistephanoides

Docidoceras has a broad, finely ribbed, evolute shell with a depressed whorl section. The venter, the outer rim, is broadly arched and crossed by the ribs without interruption. The dorsum, on the inner rim of the whorls is broadly impressed.

Distribution

Fossils of Docidoceras have been found in:[3]

• Laberge Group, Yukon, Canada
• Agoudim Formation, Morocco
• Andalusia, Spain
• Inferior Oolite, United Kingdom
• Kialagvik Formation, Alaska, United States

References

1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.
2. Dietze, V.; et al. (2010). "Rare Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany" (PDF). Zitteliana. 50: 71–88. Archived from the original (PDF) on 2011-07-16.
3. "Paleobiology Database - Docidoceras". Retrieved 2014-05-28.

Bibliography

• Arkell et al., 1957; Ammonitina in the Treatise on Invertebrate Paleontology, Part L, Ammonoidea; Geological Soc of America and Univ Kansas press.