Gravesia (ammonite)
Genus of molluscs (fossil)
From Wikipedia, the free encyclopedia
Gravesia is an extinct genus of ammonite known from the Upper Jurassic (Kimmeridgian-Tithonian stages) of Europe.[1][2]
| Gravesia Temporal range: | |
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| Specimen of Gravesia gigas | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Perisphinctoidea |
| Genus: | †Gravesia |