Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Crotaphytus (collared lizard)

Reptilia - Iguanidae

Taxonomy
Crotaphytus was named by Holbrook (1843). It is extant. Its type is Agama collaris.

It was assigned to Iguanidae by Cope (1875), Hay (1930), Estes (1983), Carroll (1988) and Frank and Ramus (1996); and to Crotaphytidae by Hollenshead and Mead (2006).

Synonymy list
YearName and author
1843Crotaphytus Holbrook
1875Crotaphytus Cope p. 47
1930Crotaphytus Hay p. 247
1983Crotaphytus Estes
1988Crotaphytus Carroll
1996Crotaphytus Frank and Ramus
2006Crotaphytus Hollenshead and Mead p. 566

Is something missing? Join the Paleobiology Database and enter the data

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()
—IguanomorphaSukhanov 1961
—Pleurodonta(Cope 1864)
familyIguanidaeOppel 1811
genusCrotaphytusHolbrook 1843

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.

G. Crotaphytus Holbrook 1843 [collared lizard]
show all | hide all
Crotaphytus bicinctores Smith and Tanner 1972 [Mojave black-collared lizard]
Crotaphytus collaris Say 1823 [Collared lizard]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Created: 2005-09-05 19:41:07
Modified: 2005-09-05 21:41:07
Source: f = family, c = class, subp = subphylum, uc = unranked clade
References: Behler and King 1979, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Blancan to the top of the Late/Upper Pleistocene or 4.90000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 1.8 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.9 - 1.8USA (Nevada) Crotaphytus sp. (19965)
Blancan4.9 - 1.8USA (Arizona) Crotaphytus sp. (19618)
Irvingtonian1.8 - 0.3USA (Texas) Crotaphytus collaris (20530) Crotaphytus reticulatus (20337)
Late/Upper Pleistocene (glacial)0.129 - 0.0117USA (Texas) Crotaphytus collaris (76101)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (New Mexico) Crotaphytus collaris (93139 140704)
Late/Upper Pleistocene (high glacial)0.129 - 0.0117USA (New Mexico) Crotaphytus collaris (76059 76060)
Late/Upper Pleistocene0.129 - 0.0117USA (Nevada) Crotaphytus collaris (99602)
Late/Upper Pleistocene0.129 - 0.0117USA (New Mexico) Crotaphytus collaris (93141)
Late/Upper Pleistocene0.129 - 0.0117USA (Texas) Crotaphytus collaris (79632)
Late/Upper Pleistocene - Holocene (late glacial)0.129 - 0.0USA (Arizona) Crotaphytus collaris (93374)