| Seldsienean Temporal range: Middle Jurassic, Bathonian PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
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| Holotype skull | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Crocodylomorpha |
| Clade: | Crocodyliformes |
| Suborder: | †Thalattosuchia |
| Family: | †Machimosauridae |
| Genus: | †Seldsienean Johnson et al., 2020 |
| Species: | †S. megistorhynchus |
| Binomial name | |
| †Seldsienean megistorhynchus (Eudes-Deslongchamps, 1866) | |
| Synonyms | |
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Seldsienean (Old English for "seldom seen one") in an extinct genus of machimosaurid thalattosuchian from the Middle Jurassic of England and France. It is known from the Calcaire de Caen and the Cornbrash Formation.
Its type species, S. megistorhynchus, was originally described as a species of Steneosaurus in 1866, but was given its own genus in 2020.
References
- ^ Johnson, Michela M.; Young, Mark T.; Brusatte, Stephen L. (2020). "The phylogenetics of Teleosauroidea (Crocodylomorpha, Thalattosuchia) and implications for their ecology and evolution". PeerJ. 8: e9808. doi:10.7717/peerj.9808. ISSN 2167-8359. PMC 7548081. PMID 33083104.
- Eudes-Deslongchamps, J. A. "Sur la découverte d’une mâchoire inférieure entière de Steneosaurus megistorhynchus (GEOFF.) trouvée à Allemagne et comparaison de cette espèce avec le Teleosaurus larteti (DESL.)." Bulletin de la Société linnéenne de Normandie 10 (1866): 80-85.
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| Taxon identifiers | |
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| Seldsienean | |
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