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Phrynosoma (horned lizard)

Reptilia - Iguanidae

Taxonomy
Phrynosoma was named by Wiegmann (1828). It is extant.

It was assigned to Iguaninae by Norell (1989); and to Iguanidae by Cope (1875), Hay (1930), Estes and Tihen (1964), Estes (1983), Carroll (1988) and Frank and Ramus (1996).

Species
P. anzaense, P. asio, P. douglassii, P. modestum, P. platyrhinos
Species lacking formal opinion data
P. douglassi

Synonymy list
YearName and author
1828Phrynosoma Wiegmann
1875Phrynosoma Cope p. 49
1930Phrynosoma Hay p. 247
1964Phrynosoma Estes and Tihen p. 465
1983Phrynosoma Estes
1988Phrynosoma Carroll
1989Phrynosoma Norell
1996Phrynosoma Frank and Ramus

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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

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. Phrynosoma Wiegmann 1828 [horned lizard]
show all | hide all
†Phrynosoma anzaense Norell 1989
Phrynosoma asio Cope 1864 [Giant horned lizard]
Phrynosoma douglassii Bell 1828 [Short-horned lizard]
Phrynosoma modestum Girard 1852 [Roundtail horned lizard]
Phrynosoma platyrhinos Girard 1852 [Desert horned 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: Hendy et al. 2009, Carroll 1988, Behler and King 1979

Age range

Maximum range based only on fossils: base of the Barstovian to the top of the Rancholabrean or 16.30000 to 0.01200 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97USA (Wyoming) Phrynosoma douglassi (19073 19074)
Barstovian16.3 - 12.5USA (Nebraska) Phrynosoma sp. (18165)
Late/Upper Hemphillian10.3 - 4.9Mexico (Chihuahua) Phrynosoma sp. (18755)
Blancan4.9 - 1.8USA (Nebraska) Phrynosoma cornutum (19954)
Blancan4.9 - 1.8Mexico (Hidalgo) Phrynosoma sp. (20079)
Blancan4.9 - 1.8USA (Kansas) Phrynosoma cornutum (19931 19936)
Blancan - Irvingtonian4.9 - 0.3USA (California) Phrynosoma sp., Phrynosoma anzaense (199543)
Irvingtonian1.8 - 0.3USA (Texas) Phrynosoma cornutum (20530)
Irvingtonian1.8 - 0.3USA (California) Phrynosoma sp. (20195 20206 20387)
Irvingtonian1.8 - 0.3USA (South Dakota) Phrynosoma douglassi (20389)
Irvingtonian1.8 - 0.3USA (Kansas) Phrynosoma cornutum (20427)
Irvingtonian - Rancholabrean1.8 - 0.012USA (California) Phrynosoma sp. (20146)
Middle Pleistocene0.774 - 0.129USA (Colorado) Phrynosoma douglassi (20370)
Late/Upper Pleistocene (high glacial)0.129 - 0.0117USA (New Mexico) Phrynosoma cornutum, Phrynosoma douglassi (76060) Phrynosoma cornutum, Phrynosoma douglassi, Phrynosoma modestum (76059)
Late/Upper Pleistocene0.129 - 0.0117USA (Nevada) Phrynosoma platyrhinos (99602)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (New Mexico) Phrynosoma douglassi (140701 140702 140704) Phrynosoma douglassi, Phrynosoma cornutum (93139)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Phrynosoma sp. (106400)
Late/Upper Pleistocene - Holocene (late glacial)0.129 - 0.0USA (Arizona) Phrynosoma douglassi, Phrynosoma solare, Phrynosoma modestum (93374)