Hebetoxyites
| Hebetoxyites Temporal range: Middle Jurassic | |
|---|---|
| Scientific classification | |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Superfamily: | Haplocerataceae |
| Family: | Strigoceratidae |
| Genus: | Hebetoxyites Buckman, 1924 |
Hebetoxyites is a fossil ammonoid cephalopod from the middle part of the Bajocian stage, middle Jurassic, included in the Strigoceratidae, Haplocerataceae. The shell is oxyconic, with a sharp rim but no keel, and involute, with the inner whorls hidden. The unbilicus is very small. Sides have a spiral ridge but are not strigate.
References
- W.Arkell, et al. Mesozoic Ammonoidea (L271), Treatise on Invertebrate Paleontology, Part L, 1957. Geological Society of America and University of Kansas Press
- Sepkoski's list of Cephalopod genera.
This article is issued from Wikipedia - version of the Wednesday, May 28, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.