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Loricatosaurus priscus
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).
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
Year | Name and author |
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1911 | Stegosaurus priscus Nopcsa |
1915 | Stegosaurus priscus Hennig p. 11 |
1915 | Stegosaurus priscus Nopcsa p. 12 |
2008 | Loricatosaurus priscus Maidment et al. pp. 372-373 |
2010 | Loricatosaurus priscus Maidment p. 204 |
2011 | Loricatosaurus priscus Barrett and Maidment p. 404 |
2013 | Loricatosaurus priscus Ruiz-Omeñaca et al. p. 39 |
2014 | Loricatosaurus priscus Ulansky p. 7 |
2016 | Loricatosaurus priscus Borinder et al. p. 64 |
2016 | Loricatosaurus priscus Galton and Carpenter p. 195 |
2019 | Loricatosaurus priscus Costa and Mateus p. 110 |
2019 | Loricatosaurus priscus Galton p. 214 |
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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
Reference | Diagnosis | |
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S. C. R. Maidment et al. 2008 | Differs 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). |