Adelphoceras
| Adelphoceras Temporal range: mid Devonian
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| Genus: | Adelphoceras Barrande, 1870
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Adelphoceras is a middle Devonian coiled nautiloid from Europe with an oval whorl section and shallow depressed zone on the inner, dorsal, rim; a strongly contracted T-shaped aperture; ventral siphuncle containing actinosiphonate deposits, and two rows of spines on either side.
Adelphoceras is included in the nautilid family Rutoceratidae, and is also a part of the Tainocerataceae.
References
- Bernhard Kummel, 1964. Nautiloidea - Nautilida. Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press.
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