Sigmocycloceras
| Sigmocycloceras Temporal range: M. Ordovician | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Orthocerida |
| Family: | Sactorthoceratidae (?) |
| Genus: | Sigmocycloceras Kobayashi, 1934 |
Sigmocycloceras is a nautiloid cephalopod discovered in the Middle Ordovician of Korea, said to be similar to Sactorthoceras, and included in the Sactorthoceratidae, but unique in being longitudinally sigmoid and sculpted with transverse annuli.
References
- Walter C Sweet 1964. Nautiloidea-Orthocerida; Treatise on Invertebrate Paleontology, Part K. Geol Soc of America and Univ. Kansas Press.
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.