Dufrenoyia is an extinct genus of Cretaceous ammonites included in the family Parahoplitidae. These fast-moving nektonic carnivores lived in the Cretaceous period (Aptian age).[2] The type species of the genus is Ammonites dufrenoyi.[1]
| Dufrenoyia Temporal range: Cretaceous, [1]
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| Dufrenoyia dufrenoyi from France | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Suborder: | †Ancyloceratina |
| Family: | †Parahoplitidae |
| Subfamily: | †Deshayesitinae |
| Genus: | †Dufrenoyia Kilian and Reboul, 1915 |
Species edit
- Dufrenoyia codazziana Karsten, 1886
- Dufrenoyia dufrenoyi d'Orbigny, 1840
- Dufrenoyia furcata Sowerby, 1836
- Dufrenoyia justinae Hill, 1893
Distribution edit
Fossils of species within this genus have been found in the Cretaceous sediments of Germany, Mexico, Morocco, Spain, the United Kingdom, United States, Colombia and Venezuela.[1]
References edit
- ^ a b c d The Paleobiology Database
- ^ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- Arkell et al., 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L Ammonoidea. Geological Soc of America and University of Kansas press.
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