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Proa valdearinnoensis

Reptilia -

Taxonomy
Proa valdearinnoensis was named by McDonald et al. (2012). Its type specimen is MAP AR-1/19, a partial skeleton (a partial skeleton consisting of a disarticulated but associated skull including the premaxillae, partial maxillae, quadrates, supraorbitals, articulated brainc), and it is a 3D body fossil. Its type locality is Santa Maria Mine, Ariño (AR-1), which is in an Albian delta plain coal/mudstone in the Escucha Formation of Spain. It is the type species of Proa.

Synonymy list
YearName and author
2012Proa valdearinnoensis McDonald et al. pp. 62-64 figs. 1-9
2013Proa valdearinnoensis Kirkland et al. p. 2
2013Proa valdearinnoensis Zheng et al.
2014Proa valdearinnoensis Gasulla et al. p. 19
2015Proa valdearinnoensis Verdú et al. p. 256

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Ornithopoda()
Iguanodontia()
Dryomorpha
Ankylopollexia
Styracosterna
Hadrosauriformes
genusProa
speciesvaldearinnoensis

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.

Diagnosis
ReferenceDiagnosis
A. T. McDonald et al. 2012Diagnosed by a single autapomorphy: predentary comes to a point at its rostral margin, with divergent lateral processes. Also diagnosed by the following unique combination of characters: dentary tooth row is convex dorsally in lateral view (otherwise known in only Owenodon hoggii [Galton 2009], and this might be due to crushing [Norman 2012]; if so, this feature would be another autapomorphy of Proa); dentary tooth row extends caudal to the base of the coronoid process; platform between the dentary tooth row and the base of the coronoid process; coronoid process expanded along rostral and caudal margins; maxilla lacks a rostrodorsal process; quadrate straight in lateral view; ilium with dorsal margin convex dorsally, non-pendant supraacetabular process, and postacetabular process that tapers without a break in slope along its dorsal margin; cranial pubic process concave along its dorsal margin but lacks expansion of distal end.