Selkirkoceras
Selkirkoceras is a genus of armonoceratid cephalopods similar to Kochoceras of the Actinoceratidae, but with recumbent septal necks. The first siphuncular segment is large, broad, and blunt.
| Selkirkoceras Temporal range: Middle Ordovician | |
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| Genus: | Selkirkoceras Foeste, 1929 |
Selkirkoceras, which is known from the Middle Ordovician of western North America, is included in the Nybyoceras branch of the Armenoceratidae (Teichert, 1964), which also includes Nybyoceras and Megadisocosorus.
References
- Curt Teichert, 1964. Actinoceratoidea, Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press.
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