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Synaptichnium cameronensis

Reptilia - Chirotheriidae

Taxonomy
Chirotherium cameronensis was named by Peabody (1948). It is considered to be a form taxon. Its type specimen is UCMP 37316, a footprint, and it is a trace fossil. Its type locality is UCMP V4204, Cameron, which is in an Aegean/Bithynian terrestrial mudstone in the Moenkopi Formation of Arizona.

It was recombined as Synaptichnium cameronense by Demathieu and Haubold (1972); it was recombined as Synaptichnium cameronensis by Klein and Lucas (2010).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1948Chirotherium cameronensis Peabody pp. 355-356 figs. Pl. 36, 40A
1954Chirotherium cameronensis Baird p. 168
1958Chirotherium cameronense Kuhn p. 21
1969Chirotherium cameronense Haubold p. 92 fig. 2
1972Synaptichnium cameronense Demathieu and Haubold p. 804
2010Synaptichnium cameronensis Klein and Lucas p. 19

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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
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
familyChirotheriidaeAbel 1935
genusSynaptichniumNopcsa 1923
speciescameronensis()

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
F. E. Peabody 1948Relatively narrow, long striding trackway, pace angulation 180 degrees; pes length 5 cm., pes digit IV as long as III, digit V short and slender without specialized pad; manus digits I-IV relatively long, pes digits relatively widespread.