Joldagiroceras
| Joldagiroceras Temporal range:
| |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | †Orthocerida |
| Genus: | †Joldagiroceras |
Joldagiroceras is a genus of orthocerids that lived during the Late Silurian, Ludlovian stage. Othoderids are nautiloid cephalopods characterized generally by long straight shells with narrow central siphuncles.
References
- Jack Sepkoski's list of cephalopod genera [1]