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Synaptichnium diabloensis

Reptilia - Chirotheriidae

Taxonomy
Chirotherium diabloensis was named by Peabody (1948). It is considered to be a form taxon. Its type specimen is UCMP 36819, a footprint, and it is a trace fossil. Its type locality is Meteor Crater Quarry area, tracksites, which is in a Spathian wet floodplain mudstone in the Moenkopi Formation of Arizona.

It was recombined as Synaptichnium diabloensis by Klein and Lucas (2010) and Gand et al. (2012); it was misspelled as Synaptichnium diabloense by Klein et al. (2011); it was recombined as Synaptichnium diabloense by Haubold (1971), Demathieu and Haubold (1972), Haubold (1974), Gand (1974), Lucas et al. (2007), Gand et al. (2007) and Klein and Lucas (2021).

Synonymy list
YearName and author
1948Chirotherium diabloensis Peabody pp. 348-349 figs. Pl. 33-35
1952Chirotherium diabloensis Bock p. 411
1954Chirotherium diabloensis Baird p. 168
1958Chirotherium diablonense Kuhn p. 21
1959Chirotherium diabloensis Schmidt p. 98
1969Chirotherium diablonense Haubold p. 92 fig. 2
1971Synaptichnium diabloense Haubold p. 54
1972Synaptichnium diabloense Demathieu and Haubold p. 805
1974Synaptichnium diabloense Gand p. 8
1974Synaptichnium diabloense Haubold p. 107
2007Synaptichnium diabloense Gand et al. p. 12
2007Synaptichnium diabloense Lucas et al. p. 189
2010Synaptichnium diabloensis Klein and Lucas p. 17
2011Synaptichnium diabloense Klein et al. p. 223
2012Synaptichnium diabloensis Gand et al. p. 69
2021Synaptichnium diabloense Klein and Lucas p. 38

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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
genusSynaptichniumNopcsa 1923
speciesdiabloensis()

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.

†Synaptichnium diabloensis Peabody 1948
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Diagnosis
ReferenceDiagnosis
F. E. Peabody 1948Traekway relatively wide for chirotheriids, pace angulation 140 degrees; maximum pes length 5.3 cm.; pes digit IV at least as long as III, pes digit V long and slender, without specialized pad.
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: Carroll 1988, Hendy et al. 2009, Benton 1983

Age range: base of the Spathian to the top of the Ladinian or 251.30000 to 237.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2USA (Arizona) Chirotherium diabloensis (type locality: 95107)
Anisian - Ladinian247.2 - 237.0France (Bourgogne-Franche-Comté) Synaptichnium diabloense (28462 199928)