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Chirotherium swinnertoni

Reptilia - Chirotheriidae

Taxonomy
Otozoum swinnertoni was named by Sarjeant (1970). It is considered to be a form taxon. Its type specimen is PC4238, a footprint, and it is a trace fossil. Its type locality is Mapperley Park tracksite, which is in an Anisian terrestrial sandstone in the Keuper Waterstones Formation of the United Kingdom.

It was recombined as Paratetrasauropus swinnertoni by Sarjeant (1996); it was recombined as Chirotherium swinnertoni by D'Orazi Porchetti and Nicosia (2007).

Synonymy list
YearName and author
1970Otozoum swinnertoni Sarjeant p. 270 figs. 1, 2B; Pl. 20
1971Otozoum swinnertoni Haubold p. 85
1972Otozoum swinnertoni Demathieu and Haubold p. 806
1996Paratetrasauropus swinnertoni Sarjeant
2007Chirotherium swinnertoni D'Orazi Porchetti and Nicosia p. 238

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
familyChirotheriidaeAbel 1935
genusChirotheriumKaup 1835
speciesswinnertoni()

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.

†Chirotherium swinnertoni Sarjeant 1970
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Diagnosis
ReferenceDiagnosis
W. A. S. Sarjeant 1970Pes, considered to be of a bipedal reptile. Plantigrade, with the digits and front and hind parts of the sole deeply impressed, the central part of the sole not being impressed. Four digits (I-IV) are represented, the first being reduced. The fifth digit is not impressed (either non-functional or lacking). The digits are not markedly divergent; the phalangeal pads are poorly marked and the claws are not very acute.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilep
Diet: carnivoresubo
Created: 2009-01-03 20:38:45
Modified: 2009-01-03 22:38:45
Source: subo = suborder, subc = subclass, subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004, Benton 1983

Age range: Anisian or 246.70000 to 241.46400 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Anisian246.7 - 241.464United Kingdom (England) Otozoum swinnertoni (type locality: 83053)