Balticoceras
| Balticoceras Temporal range: U Ordovician | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Orthocerida |
| Family: | Orthoceratidae |
| Genus: | Balticoceras Teichert 1940 |
Balticoceras is a genus in the Orthocerid family, Orthoceratidae, from the Upper Ordovician of Estonia, closely related to Michelinoceras. Balticoceras is distinguished by its straight shells with a subcircular cross section, broadly flattened ventrally and evenly rounded dorsally, and by its marginal, orthochoanitic siphuncle. Balticoceras which is included in the subfamily Michelinoceratinae along with Michelinoceras should not be confused with Baltoceras which belongs in the Ellesmerocerida.
References
- Walter C. Sweet 1964. Nautiloidea- Orthocerida. Treatise on Invertebrate Paleontology, Part K. Teichert and Moore (eds)
This article is issued from Wikipedia - version of the 6/16/2011. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.