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Xenoposeidon proneneukos

Osteichthyes

Taxonomy
Xenoposeidon proneneukos was named by Taylor and Naish (2007). Its type specimen is NHMUK R2095, a set of vertebrae (mid-posterior dorsal vertebra), and it is a 3D body fossil. Its type locality is Ecclesbourne Glen (BMNH), which is in a Berriasian/Valanginian terrestrial horizon in the Ashdown Formation of the United Kingdom. It is the type species of Xenoposeidon.

It was considered a nomen dubium by Mannion and Calvo (2011), D'Emic (2012), Mannion et al. (2013).

Synonymy list
YearName and author
2007Xenoposeidon proneneukos Taylor and Naish p. 1549 figs. 3-5
2018Xenoposeidon proneneukos Taylor

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
RankNameAuthor
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Sauropodomorpha(Huene 1932)
Massopoda
Sauropodiformes
Sauropoda()
Gravisauria
Eusauropoda
Neosauropoda
Diplodocoidea()
Diplodocimorpha
Rebbachisauridae()
genusXenoposeidon
speciesproneneukos

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Xenoposeidon proneneukos Taylor and Naish 2007
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Diagnosis
No diagnoses are available