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From Wikipedia, the free encyclopedia

 

The California rock lizards are a genus (Petrosaurus) of New World lizards in the family Phrynosomatidae.[2]

California rock lizards - Petrosaurus 

Baja blue rock lizard 

Scientific classification :

Kingdom:Animalia

Phylum:Chordata

Class:Reptilia

Order:Squamata

Suborder:Iguania

Family:Iguanidae

Subfamily:Phrynosomatinae

Genus:Petrosaurus
Boulenger, 1885[1]

 

Geographic range :

 

They are endemic to southern California and Baja California, Mexico.[3]

 

Habitat :

 

This type of lizard lives almost exclusively on rock outcrops, boulder piles, and canyon walls, where it shelters under rocks. The habitat is aridand semiarid foothills and

canyons along the western margin of the Colorado Desert.[4] they feed on small invertebrates, Beatles, and moth etc

Reproduction:

 

The courtship begins shortly after emergence in early spring. The eggs are laid around June and July.

Predators 

The few predators that could pursue this lizard are collared lizards and avian predators, such as hawks, ravens, and roadrunners.

 

Species :

The genus Petrosaurus contains three species.

 

-Petrosaurus mearnsi (Stejneger, 1894) - banded rock lizard

-Petrosaurus repens (Van Denburgh, 1895)

-Petrosaurus thalassinus (Cope, 1863) - Baja blue rock lizard[5]

For the external links , refrences  click here to read the full wikipedia article 

Video : 

Baja Blue Rock Lizard

Species :

 

1- The banded rock lizard (Petrosaurus mearnsi) 

Video : 

From Wikipedia, the free encyclopedia

 

The banded rock lizard (Petrosaurus mearnsi) is a species of phrynosomatine lizard.[2]

 

 

 

Banded rock lizard

Conservation status

 

 

 

 


Least Concern (IUCN 3.1)[1]

Scientific classification

Kingdom:Animalia

Phylum:Chordata

Class:Reptilia

Order:Squamata

Suborder:Iguania

Family:Iguanidae

Subfamily:Phrynosomatinae

Genus:Petrosaurus

Species:P. mearnsi

Binomial name

Petrosaurus mearnsi
(Stejneger, 1894)

Synonyms

  • Uta mearnsi Stejneger, 1894

  • Streptosaurus mearnsi— Mittleman, 1942

  • Petrosaurus mearnsi— Stebbins, 1985[2]

Etymology :

 

The specific name, mearnsi, is in honor of American naturalist Edgar Alexander Mearns, who collected the first specimens.[3][4]

Geographic range :

 

It is endemic to extreme southern California and Baja California, Mexico.[5] It also occurs on Isla El Muerto.[1]

 

Description :

 

Petrosaurus mearnsi is an extremely flat-bodied lizard. Its dorsum is olive, brown or gray, with white or bluish spots. It has a single black collar, a banded tail, and granular scales on its body, with keeled tail and limb scales. Individuals may be 6.2 to 8.7 cm (2.4 to 3.4 in) long snout-to-vent. Males have more pronounced throat patterns and brighter blue coloring than females.[6]

 

Habitat :

 

These lizards are associated with boulder hillsides,[6] extending in Baja California to chaparral and pinyon-juniper woodlands.[1]

 

Diet :

 

They are omnivorous, feeding not only on insects and spiders, but also on buds and flowers.[7]

 

Reproduction :

 

Gravid females lay eggs from June through August. Clutch size varies from 2 to 6 eggs.[7]

 

For the external links , refrences  click here to read the full wikipedia article 

Banded Rock Lizard

2- Petrosaurus repens :

From Wikipedia :

 

Petrosaurus repens is a species of lizard of the family of Phrynosomatidae 1 .

Petrosaurus repens

 

Classification according to ReptileDB :

ReignAnimalia

BranchChordata

ClassReptilia

Subclasslepidosauria

OrderSquamata

SuborderSauria

InfraorderIguania

FamilyPhrynosomatidae

KindPetrosaurus

Binominal name :

Petrosaurus repens
( Van Denburgh , 1895 )

synonyms:

  • Uta repens Van Denburgh, 1895

  • Petrosaurus thalassinus repens (Van Denburgh, 1895)

IUCN Conservation Status:

 

 


LC  : Minor Concern

 

Distribution  :

 

This species is endemic to Mexico 1 . It is found in Baja California and Baja California Sur .

 

Taxonomy :

 

Petrosaurus thalassinus repens was elevated to the rank of species by Larry Lee Grismer in 1999 

 

 

For the external links , refrences  click here to read the full wikipedia article 

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