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Largocephalosaurus
Taxonomy
Largocephalosaurus was named by Cheng et al. (2012). Its type is Largocephalosaurus polycarpon.
It was assigned to Eosauropterygia by Cheng et al. (2012); and to Saurosphargidae by Li et al. (2013).
It was assigned to Eosauropterygia by Cheng et al. (2012); and to Saurosphargidae by Li et al. (2013).
Species
L. polycarpon (type species), L. qianensis
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Largocephalosaurus Cheng et al. p. 34 |
| 2013 | Largocephalosaurus Li et al. figs. 1, 2, 3, 4a–g, 5a–d, 6 |
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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.
G. †Largocephalosaurus Cheng et al. 2012
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†Largocephalosaurus polycarpon Cheng et al. 2012
†Largocephalosaurus qianensis Li et al. 2013
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Li et al. 2013 | A saurosphargid genus differing from the others of the family in the following combination of apomorphies: (1) closed dorsal ‘rib-basket’ elongate oval; (2) oval supratemporal fenestra present, much smaller than orbit; (3) premaxilla excluded from external naris; (4) three or four premaxillary teeth; (5) posterolateral process of frontal elongate; (6) transverse process of dorsal vertebrae and proximal portion of the dorsal ribs slender, not much wider than inter-process or inter-rib spaces, respectively; (7) presence of a median row of large osteoderms on the top of neural spines; (8) coracoid and pubis similarly round in outline, separately with an open coracoid foramen and an open obturator fenestra; and (9) dorsal osteoderms not forming a complete carapace. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||