Biology:Gravesia (ammonite)
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Short description: Genus of molluscs (fossil)
| Gravesia | |
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| Specimen of Gravesia gigas | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Perisphinctoidea |
| Genus: | †Gravesia |
Gravesia is an extinct genus of ammonite known from the Upper Jurassic (Kimmeridgian-Tithonian stages) of Europe.[1][2]
References
- ↑ Scherzinger, Armin; Schweigert, Günter (May 2016). "The ammonite genera Gravesia Salfeld and Pseudogravesia Hantzpergue in the Tithonian of S Germany and their correlation value with Western Europe" (in en). Proceedings of the Geologists' Association 127 (2): 288–296. doi:10.1016/j.pgeola.2015.12.010. https://linkinghub.elsevier.com/retrieve/pii/S001678781600002X.
- ↑ S.M., Gallois, R.W. Etches (2010). The distribution of the ammonite Gravesia (Salfeld, 1913) in the Kimmeridge Clay Formation (Late Jurassic) in Britain. Ussher Society. OCLC 769109876. http://worldcat.org/oclc/769109876.
Wikidata ☰ Q3115760 entry
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