Analytoceras
| Analytoceras Temporal range: | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Pleuroacanthitidae |
| Genus: | †Analytoceras Hyatt, 1900 |
Analytoceras is an extinct genus of cephalopod belonging to the Ammonite subclass that lived during the early Jurassic. Analytoceras, named by Alpheus Hyatt in 1900, is a lytoceratid and only member of the pleuroacanthitid subfamily Analytoceratinae, which has the same characters as its genus.
Shell characters: inner whorls constricted, middle with parabolic lines and conspicuous parabolic nodes, outer with sigmoidal flairs; adult body chamber with ventrolateral spines.
References
[edit]- ↑ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
- W.J Arkell, B.Kummel, C.W. Wright, Systematic Descriptions, Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L (1957) p L193.