Haydenoceras
| Haydenoceras Temporal range: Middle Devonian | |
|---|---|
| Scientific classification | |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Tarphycerida |
| Suborder: | Barrandeocerina |
| Family: | Barrandeoceratidae |
| Genus: | Haydenoceras Flower 1949 |
Haydenoceras is a middle Devonian cephalopod originally placed in the Barrandeocerida. The genus can be recognized by its strongly compressed, gradually expanding exogastrically curved shell with a strongly rounded dorsum and acutely angled venter, calling attention to the general form of earlier Bassleroceras. The siphuncle is tubular, central.
Related genera include Avilionella, Barrandeoceras, Gasconsoceras, Laureloceras, and Savageoceras.
References
- Walter C. Sweet 1964. Natiloidea - Barrandeocerida, Treatise on Invertebrate Paleontology Part K. Geological Society of America and University of Kansas Press.
This article is issued from Wikipedia - version of the 7/16/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.