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

Phrynosoma modestum (Roundtail horned lizard)

Reptilia - Iguanidae

Taxonomy
Phrynosoma modestum was named by Girard (1852). It is extant.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1852Phrynosoma modestum Girard

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
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Squamata()
IguanomorphaSukhanov 1961
Pleurodonta(Cope 1864)
familyIguanidaeOppel 1811
subfamilyIguaninaeCope 1886
genusPhrynosomaWiegmann 1828
speciesmodestumGirard 1852

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.

Phrynosoma modestum Girard 1852 [Roundtail horned lizard]
show all | hide all
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: Carroll 1988, Behler and King 1979, Hendy et al. 2009

Age range: Late/Upper Pleistocene or 0.12900 to 0.01170 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pleistocene (high glacial)0.129 - 0.0117USA (New Mexico) Phrynosoma modestum (76059)
Late/Upper Pleistocene - Holocene (late glacial)0.129 - 0.0USA (Arizona) Phrynosoma modestum (93374)