''Xenosaurus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...

s; it is the only extant genus in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Xenosauridae Xenosauridae is a family of anguimorph lizards whose only living representative is the genus '' Xenosaurus'', which is native to Central America. Xenosauridae also includes the extinct genera '' Exostinus'' and '' Restes''. Also known as knob-sca ...

, with 14 species currently recognized."Xenosauridae" and "''Xenosaurus'' ". The Reptile Database. www.reptile-database.org. Also known as knob-scaled lizards, they can found in southwestern

Tamaulipas Tamaulipas, officially the Free and Sovereign State of Tamaulipas, is a state in Mexico; one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is divided into 43 municipalities. It is located in nor ...

and eastern

Guerrero Guerrero, officially the Free and Sovereign State of Guerrero, is one of the 32 states that compose the administrative divisions of Mexico, 32 Federal Entities of Mexico. It is divided into Municipalities of Guerrero, 85 municipalities. The stat ...

in Mexico. These lizards are known to feed on a variety of crawling and flying insects. This genus mostly eats orthopterans, coleopterans (beetles), dipterans, and myriapods.

Species

The following 14

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

are recognized as being valid. *''

Xenosaurus agrenon ''Xenosaurus agrenon'', the mountain knob-scaled lizard, is a lizard found in Oaxaca of Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the ...

'' *'' Xenosaurus arboreus'' *'' Xenosaurus fractus'' *'' Xenosaurus grandis'' *'' Xenosaurus manipulus'' *'' Xenosaurus mendozai'' *''

Xenosaurus newmanorum ''Xenosaurus newmanorum'', Newman's knob-scaled lizard, is a lizard found in Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United Stat ...

'' *'' Xenosaurus penai'' *''

Xenosaurus phalaroanthereon ''Xenosaurus phalaroanthereon'', the chin-spotted knob-scaled lizard, is a lizard found in Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders th ...

'' *''

Xenosaurus platyceps ''Xenosaurus platyceps'', the flathead knob-scaled lizard, is a lizard found in the Sierra Madre Oriental of Mexico. Its natural habitat is dry scrub forest and oak savanna. The species is endangered due to habitat fragmentation for the develop ...

'' *'' Xenosaurus rackhami'' *''

Xenosaurus rectocollaris ''Xenosaurus rectocollaris'', sometimes known as the pallid knob-scaled lizard, is a species of viviparous lizard. It is endemic to Mexico where it is known from the Sierra Madre de Oaxaca of Oaxaca and Puebla states. It is a rare species occurr ...

'' *'' Xenosaurus sanmartinensis'' - San Martin knob-scaled lizard *'' Xenosaurus tzacualtipantecus'' ''

Nota bene ( ; plural: ) is the Latin language, Latin phrase meaning ''note well''. In manuscripts, ''nota bene'' is abbreviated in upper-case as NB and N.B., and in lower-case as n.b. and nb; the editorial usages of ''nota bene'' and ''notate bene'' fi ...

'': A

binomial authority In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...

in parentheses indicates that the species was originally described in a genus other than ''Xenosaurus''.

References

External links

* Xenosauridae Taxa named by Wilhelm Peters Lizard genera {{lizard-stub

Species

References

Further reading

External links