Biology:Pseudothurmannia
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Short description: Genus of molluscs (fossil)
| Pseudothurmannia | |
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| Fossil shells of Pseudothurmannia species from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Suborder: | †Ancyloceratina |
| Family: | †Crioceratitidae |
| Genus: | †Pseudothurmannia Spath, 1923 |
| Synonyms | |
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Pseudothurmannia is a genus of extinct cephalopods belonging to the subclass Ammonoidea and included in the family Crioceratitidae of the ammonitid superfamily Ancylocerataceae. These fast-moving nektonic carnivores [1] lived in the Cretaceous period, from Hauterivian age to Barremian age.[2]
Species
- Pseudothurmannia angulicostata d'Orbigny, 1863
- Pseudothurmannia belimelensis Dimtrova, 1967
- ?Pseudothurmannia biassalensis Dimtrova, 1967
- Pseudothurmannia catulloi Parona, 1898
- ?Pseudothurmannia crimensis Wiedmann, 1962
- Pseudothurmannia grandis Busnardo, 1970
- Pseudothurmannia isocostata Kakabadze, 1981
- Pseudothurmannia karakaschi Manolov, 1962
- Pseudothurmannia lurensis Busnardo, 1970
- Pseudothurmannia macilenta d'Orbigny, 1841
- Pseudothurmannia mortilleti Pictet and de Loriol, 1858
- Pseudothurmannia ohmi Winkler, 1868
- Pseudothurmannia picteti Sarkar, 1955
- Pseudothurmannia provencalis Wiedmann, 1962
- Pseudothurmannia pseudomalbosi Sarasin and Schandelmayer, 1901
- Pseudothurmannia renevieri Sarasin and Schöndelmayer, 1901
- Pseudothurmannia rugosa Busnardo, 2003
- Pseudothurmannia sarasini Sarkar, 1955
Description
Shell of Pseudothurmannia species can reach a diameter of about 4–12 centimetres (1.6–4.7 in). They show flat or slightly convex sides, a surface with dense ribs and a subquadrate whorl section.
Distribution
Fossils of species within this genus have been found in the Cretaceous rocks of Antarctica, Bulgaria, Czechoslovakia, France, Hungary, Italy, Japan, Morocco, Spain, Russia and United States.[1]
References
- ↑ 1.0 1.1 1.2 The Paleobiology Database
- ↑ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- ↑ Klein, J. et al., 2007. FOSSILIUM CATALOGUS I:ANIMALIA Pars 144, Lower Cretaceous Ammonites III Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea.
External links
- Hoedemaeker, Philip. J. SEXUAL DIMORPHISM IN THE GENUS PSEUDOTHURMANNIA
- Crioceratites
Wikidata ☰ Q12266289 entry
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