Hardmanoceras
Hardmanoceras is a Tarphycerid genus belonging to the Trochilidae from the upper Lower Ordovician to possibly the lower Middle Ordovician, found in Western Australia. Hardmanoceras is like Discoceras but prominently ribbed and with a depressed whorl section. The body, or living, chamber is long, 1 1/8 volutions long. The ultimate portion is slightly divergent, not an uncommon characteristic of tarphycerids.
| Hardmanoceras Temporal range: uL Ordovician | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | Cephalopoaa |
| Order: | |
| Family: | |
| Genus: | Hardmanoceras Teichert & Glenister, 1952 |
Harmanoceras was named by Teichert and Glenister in 1952. The type us Hardmanoceras lobatum.
References
- W.M Furnish and Brian H Glenister, 1964. Nautiloidea-Tarphycerida. Treatise on Invertebrate Paleontology, Part K, Mollusca 3. Teichert and Moore, eds. 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.