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Loricatosaurus priscus

Reptilia - Stegosauridae

Taxonomy
Stegosaurus priscus was named by Nopcsa (1911). Its type specimen is BMNH R1989 & R3167 and is a 3D body fossil. Its type locality is Fletton brick pit, Peterborough (BMNH), which is in a Callovian marine horizon in the Oxford Clay Formation of the United Kingdom.

It was synonymized subjectively with Omosaurus durobrivensis by Hoffstetter (1957); it was synonymized subjectively with Lexovisaurus durobrivensis by Kuhn (1964), Galton (1982), Galton (1983), Galton (1985), Galton (1990), Galton (1990) and Galton and Upchurch (2004); it was recombined as Loricatosaurus priscus by Maidment et al. (2008), Maidment (2010), Barrett and Maidment (2011), Ruiz-Omeñaca et al. (2013), Ulansky (2014), Ulansky (2014), Borinder et al. (2016), Galton and Carpenter (2016), Costa and Mateus (2019) and Galton (2019).

Synonymy list
YearName and author
1911Stegosaurus priscus Nopcsa
1915Stegosaurus priscus Hennig p. 11
1915Stegosaurus priscus Nopcsa p. 12
2008Loricatosaurus priscus Maidment et al. pp. 372-373
2010Loricatosaurus priscus Maidment p. 204
2011Loricatosaurus priscus Barrett and Maidment p. 404
2013Loricatosaurus priscus Ruiz-Omeñaca et al. p. 39
2014Loricatosaurus priscus Ulansky p. 7
2016Loricatosaurus priscus Borinder et al. p. 64
2016Loricatosaurus priscus Galton and Carpenter p. 195
2019Loricatosaurus priscus Costa and Mateus p. 110
2019Loricatosaurus priscus Galton p. 214

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Genasauria
Thyreophora()
Stegosauria()
familyStegosauridae
genusLoricatosaurus
speciespriscus(Nopcsa 1911)

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.

Loricatosaurus priscus Nopcsa 1911
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Diagnosis
ReferenceDiagnosis
S. C. R. Maidment et al. 2008Differs from other stegosaurs in possessing a first or second caudal vertebra whose transverse processes are bifurcated distally (Fig. 1A). Other anterior caudal vertebrae bear small dorsal projections about two-thirds of the way along the transverse process. Mid-caudal vertebrae have large anterior and posterior chevron facets that converge ventrally,
so that the vertebral centra are ‘V’ shaped in lateral view (Fig. 1B).