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Rhynchosauroides sphaerodactylus

Reptilia

Taxonomy
Rhynchosauroides sphaerodactylus was named by Demathieu (1971). It is considered to be a form taxon. Its type specimen is 21.1 AN1, a footprint, and it is a trace fossil. Its type locality is Chasselay tracksite, level C (BQ), which is in an Anisian/Ladinian terrestrial horizon in the Grès Inférieurs du Lyonnais Formation of France.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1971Rhynchosauroides sphaerodactylus Demathieu p. 812
1972Rhynchosauroides sphaerodactylus Demathieu and Haubold p. 804
1974Rhynchosauroides sphaerodactylus Haubold p. 117
2007Rhynchosauroides sphaerodactylus Gand et al. p. 12

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Squamata()
Episquamata
superfamilyLacertoideaCamp 1923
genusRhynchosauroidesMaidwell 1911
speciessphaerodactylus

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.

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Diagnosis
ReferenceDiagnosis
G. Demathieu 1971Empreinte lacertoïde, petite (19 x 26 mm). Pied pentadactyle. Orteils assez larges terminés par des griffes de forme elliptique déjetées vers l'intérieur, à reliefs arrondis. Angle de divergence des trois doigts médians voisin de 40°, celui des orteils extrêmes voisin de 100°. La main (un seul exemplaire) ne montre que l'extrémité des doigts ; elle est placée légèrement en avant du pied qui la recouvre partiellement. L'aspect et la taille dont du même ordre de grandeur que ceux du pied.