Hydnoceras
| Hydnoceras Temporal range: | |
|---|---|
| Hydnoceras bathense specimen on display at the Senckenberg Museum für Naturkunde Görlitz in Germany | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Hexactinellida |
| Order: | †Reticulosa |
| Genus: | †Hydnoceras Conrad, 1842 |
| Species | |
| |
| Synonyms | |
|
Hydroceras Dawson & Hinde, 1889 | |
Hydnoceras is an extinct genus of sponges that existed from the Upper Devonian through the end of the Pennsylvanian.