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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
R. brunswicki

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.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Kiessling 2004, Hendy et al. 2009

Age range: base of the Anisian to the top of the Ladinian or 246.70000 to 237.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Anisian - Ladinian246.7 - 237.0France (Auvergne-Rhône-Alpes) Rhynchosauroides sphaerodactylus (type locality: 31310)