Mexican Plateau horned lizard

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Mexican Plateau horned lizard
P. orbiculare in Veracruz, Mexico, showing blood squirted from eye as defensive behavior.

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Phrynosomatidae
Genus: Phrynosoma
Species:
P. orbiculare
Binomial name
Phrynosoma orbiculare
Synonyms[2]
  • Lacerta orbicularis
    Linnaeus, 1758
  • Agama orbicularis
    Daudin, 1805
  • Phrynosoma orbiculare
    Wiegmann, 1828
  • Tapaya orbicularis longicaudatus
    Dugès, 1888
  • Phrynosoma orbiculare
    H.M. Smith & Taylor, 1950

The Mexican Plateau horned lizard[4] (Phrynosoma orbiculare) is a species of horned lizard in the family Phrynosomatidae.[2] The species, also known commonly as the Chihuahua Desert horned lizard,[5] is endemic to Mexico. There are five recognized subspecies. The specific epithet, orbiculare, comes from the Latin adjective orbis, meaning "circular".[4]

Description

Mountain horned lizard (Phrynosoma orbiculare orientale), Municipality of Miquihuana, Tamaulipas, Mexico (24 September 2009)

P. orbiculare has a characteristic single row of lateral abdominal fringe

occipital horns.[5]

Geographic range

P. orbiculare is found only in the high plateau country of central Mexico. Specifically, it is found in the Mexican states of Chihuahua, Durango, Morelos, Nuevo León, Puebla, and Veracruz.[5]

Habitat

P. orbiculare occurs in a wide range of primary habitats (dry scrubland, pine-oak forest, oak forest, juniper forest) and secondary habitats (agricultural land, and agave and Opuntia fields).[1]

Subspecies

Five

nominotypical subspecies.[2]

trinomial authority
in parentheses indicates that the subspecies was originally described in a genus other than Phrynosoma.

Reproduction

P. orbicularis is viviparous.[2]

Etymology

The subspecific name, cortezii, is in honor of Spanish conquistador Hernán Cortés.[6]

The subspecific name, dugesii, is in honor of French-born Mexican naturalist Alfredo Dugès, who is considered the "father" of Mexican herpetology.[6]

References

Further reading

  • Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. Iguanidæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 497 pp. + Plates I-XXIV. (Phrynosoma orbiculare, pp. 241–243).
  • Horowitz SB (1955). "An arrangement of the subspecies of the horned toad, Phrynosoma orbiculare (Iguanidae)". American Midland Naturalist 54 (1): 204–218. (Phrynosoma orbiculare bradti, new subspecies; P. orbiculare orientale, new subspecies).
  • Linnaeus C (1758). Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio Decima, Reformata. Stockholm: L. Salvius. 824 pp. (Lacerta orbicularis, new species, p. 206). (in Latin).