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Haestasaurus becklesii
Taxonomy
Pelorosaurus becklesii was named by Mantell (1852). Its type specimen is NHMUK R1870, a set of limb elements (humerus, radius and ulna), and it is a 3D body fossil. Its type locality is low-water mark, near Hastings, which is in a Berriasian/Valanginian terrestrial sandstone in the Hastings Beds Formation of the United Kingdom.
It was recombined as Morosaurus becklesii by Dollo (1889) and Marsh (1889); it was synonymized subjectively with Morosaurus brevis by Woodward and Sherborn (1890), Lydekker (1893), Van Den Broeck (1900) and Hooley (1917); it was misspelled as Pelorosaurus becklesi by Winkler (1893), Nopcsa (1901), Steel (1970) and Tidwell et al. (1999); it was considered a nomen dubium by Upchurch et al. (2004), Mannion and Calvo (2011), D'Emic (2012) and Mannion et al. (2013); it was recombined as Haestasaurus becklesii by Upchurch et al. (2015).
It was recombined as Morosaurus becklesii by Dollo (1889) and Marsh (1889); it was synonymized subjectively with Morosaurus brevis by Woodward and Sherborn (1890), Lydekker (1893), Van Den Broeck (1900) and Hooley (1917); it was misspelled as Pelorosaurus becklesi by Winkler (1893), Nopcsa (1901), Steel (1970) and Tidwell et al. (1999); it was considered a nomen dubium by Upchurch et al. (2004), Mannion and Calvo (2011), D'Emic (2012) and Mannion et al. (2013); it was recombined as Haestasaurus becklesii by Upchurch et al. (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Pelorosaurus becklesii Mantell p. 143 |
| 1889 | Morosaurus becklesii Dollo p. 678 |
| 1889 | Morosaurus becklesii Marsh p. 325 |
| 1893 | Pelorosaurus becklesi Winkler p. 101 |
| 1901 | Pelorosaurus becklessi Nopcsa p. 206 |
| 1970 | Pelorosaurus becklesii Steel p. 68 |
| 1999 | Pelorosaurus becklesii Tidwell et al. p. 30 |
| 2015 | Haestasaurus becklesii Upchurch et al. |
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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.
†Haestasaurus becklesii Mantell 1852
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Diagnosis
No diagnoses are available