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Chirotherium ferox

Reptilia - Chirotheriidae

Taxonomy
Sphingopus ferox was named by Demathieu (1966). It is considered to be a form taxon. Its type specimen is Demathieu Coll. 2 I.I-Y1, a footprint, and it is a trace fossil.

It was synonymized subjectively with Chirotherium sickleri by Haubold (1969); it was recombined as Chirotherium ferox by Klein and Lucas (2021).

Synonymy list
YearName and author
1966Sphingopus ferox Demathieu p. 485
1968Sphingopus ferox Courel et al. p. 276
1970Sphingopus ferox Demathieu p. 161
1970Sphingopus ferox Ellenberger et al. p. 157
1971Sphingopus ferox Haubold p. 64
1972Sphingopus ferox Demathieu and Haubold p. 805
1974Sphingopus ferox Gand p. 9
1974Sphingopus ferox Haubold p. 117
1975Sphingopus ferox Gand p. 9
1976Sphingopus ferox Courel and Demathieu p. 208
1978Sphingopus ferox Gand p. 18
1979Sphingopus ferox Gand p. 9
1985Sphingopus ferox Demathieu p. 59
1989Sphingopus ferox Demathieu p. 202
1993Sphingopus ferox Thulborn p. 461
1995Sphingopus ferox Courel and Demathieu p. 87
2004Sphingopus ferox Demathieu and Demathieu p. 85
2005Sphingopus ferox Gand and Demathieu p. 746
2006Sphingopus ferox Thulborn p. 291 fig. 8
2007Sphingopus ferox Klein and Haubold p. 124
2011Sphingopus ferox Brusatte et al. p. S16
2012Sphingopus ferox Gand et al. p. 68
2021Chirotherium ferox Klein and Lucas p. 28

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

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 ferox Demathieu 1966
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Diagnosis
ReferenceDiagnosis
H. Klein and S. G. Lucas 2021Trackways of a quadruped with slender, functionally tridactyl pes impressions with subparallel digits I–IV; digit III longest, digits II and IV shorter, digit I short, thin and posteriorly shifted, often impressed only by the tip of the claw; digit V reduced to an oval basal pad, and, in more complete imprints, with a backwardly curved phalangeal portion; manus much smaller, pentadactyl, often impressed with only three digits II,III,IV),digit III is longest, digit IV laterally abducted and short; trackways with stronger outward rotation of the pes relative to the midline, manus less rotated outward.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:45
Modified: 2009-01-03 22:38:45
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Benton 1983, Hendy et al. 2009, Carroll 1988

Age range: Anisian or 247.20000 to 242.00000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Anisian247.2 - 242.0France (Languedoc-Rousillon) Sphingopus ferox (199936)
Anisian - Ladinian247.2 - 237.0France (Bourgogne-Franche-Comté) Sphingopus ferox (24834 28462 62182 199910 199911)
Anisian - Ladinian247.2 - 237.0France (Auvergne-Rhône-Alpes) Sphingopus ferox (192151 201284)
Middle Triassic247.2 - 237.0France (Bourgogne-Franche-Comté) Sphingopus ferox (28092 201286)
Middle Triassic247.2 - 237.0France (Auvergne-Rhône-Alpes) Sphingopus ferox (201285)