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Hyposaurus derbianus
Taxonomy
Hyposaurus derbianus was named by Cope (1885). Its type specimen is MN, a partial skeleton (Left malar and quadratojugals, nearly complete lower jaw, several vertebrae, humerus, coracoid and several dermal bones), and it is a 3D body fossil. Its type locality is Pernambuco, which is in a Danian marine horizon in the Maria Farinha Formation of Brazil.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Hyposaurus derbianus Cope p. 15 |
| 1886 | Hyposaurus derbianus Cope p. 15 |
| 2008 | Guarinisuchus munizi Barbosa et al. |
| 2012 | Guarinisuchus munizi Bronzati 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.
†Hyposaurus derbianus Cope 1885
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Invalid names: Guarinisuchus munizi Barbosa et al. 2008 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. A. Barbosa et al. 2008 (Guarinisuchus munizi) | Comparatively small dyrosaurid crocodylomorph (approx. 3 m) with the postorbital region of the skull elongated; posterior margin of parietal slightly concave; elongated basioccipital with a distinct depression on the ventral surface; and a marked ‘V’-shaped basioccipital in occipital view. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Benton 1983, Bush and Bambach 2015, Carroll 1988 | |||||