''Gerrhonotus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

anguid Anguidae refers to a large and diverse family of lizards native to the Northern Hemisphere. Common characteristics of this group include a reduced supratemporal arch, striations on the medial faces of tooth crowns, osteoderms, and a lateral fold ...

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

s that are commonly referred to as alligator lizards, due to a vague resemblance to an

alligator An alligator is a large reptile in the Crocodilia order in the genus ''Alligator'' of the family Alligatoridae. The two extant species are the American alligator (''A. mississippiensis'') and the Chinese alligator (''A. sinensis''). Additiona ...

. Along with glass lizards (''

Ophisaurus ''Ophisaurus'' (from the Greek 'snake-lizard') is a genus of superficially snake-like lizards in the family Anguidae. Known as joint snakes, glass snakes, or glass lizards, they are so-named because their tails are easily broken; like many liz ...

'') and many other lizards, alligator lizards have the ability to regrow their tail.

Species and subspecies

There are nine recognized

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

in the genus ''Gerrhonotus''. One species has recognized

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

."''Gerrhonotus'' ". The Reptile Database. www.reptile-database.org. *''

Gerrhonotus farri ''Gerrhonotus farri'' is a species of lizard of the Anguidae family. It is found in Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of ...

'' – Farr's alligator lizardBeolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Gerrhonotus farri'', p. 88; ''G. liocephalus loweryi'', p. 161; ''G. lugoi'', p. 162). *''

Gerrhonotus infernalis The Texas alligator lizard (''Gerrhonotus infernalis'') is a species of lizard in the subfamily Gerrhonotinae of the family Anguidae. The species is endemic to the central region of the American state of Texas, and south into adjacent northern ...

'' –

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

alligator lizard *''

Gerrhonotus lazcanoi ''Gerrhonotus lazcanoi'' is a species of lizard of the Anguidae family. It is found in Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion ...

'' *''

Gerrhonotus liocephalus ''Gerrhonotus liocephalus'', the Texas alligator lizard or Wiegmann's alligator lizard, is a species of lizard of the Anguidae family. It is found in Texas, Mexico and Guatemala Guatemala ( ; ), officially the Republic of Guatemala ( es, ...

'' – smooth-headed alligator lizard, Texas alligator lizard, Wiegmann's alligator lizard **''

Gerrhonotus liocephalus austrinus ''Gerrhonotus'' is a genus of anguid lizards that are commonly referred to as alligator lizards, due to a vague resemblance to an alligator. Along with glass lizards ('' Ophisaurus'') and many other lizards, alligator lizards have the ability to ...

'' **''

Gerrhonotus liocephalus liocephalus ''Gerrhonotus'' is a genus of anguid lizards that are commonly referred to as alligator lizards, due to a vague resemblance to an alligator. Along with glass lizards ('' Ophisaurus'') and many other lizards, alligator lizards have the ability to ...

'' **''

Gerrhonotus liocephalus loweryi ''Gerrhonotus'' is a genus of anguid lizards that are commonly referred to as alligator lizards, due to a vague resemblance to an alligator. Along with glass lizards ('' Ophisaurus'') and many other lizards, alligator lizards have the ability to ...

'' – Lowery's alligator lizard *''

Gerrhonotus lugoi ''Gerrhonotus lugoi'', Lugo's alligator lizard, is a species of lizard of the Anguidae family. It is found in Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country ...

'' – Lugo's alligator lizard *''

Gerrhonotus mccoyi ''Gerrhonotus mccoyi'' is a species of lizard of the Anguidae family. It is found in Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion ...

'' *''

Gerrhonotus ophiurus ''Gerrhonotus ophiurus''is a species of lizard of the Anguidae family. It is found in Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion ...

'' *''

Gerrhonotus parvus ''Gerrhonotus parvus'' (common name: pygmy alligator lizard) is a species of lizard in the subfamily Gerrhonotinae. It is endemic to the state of Nuevo León, Mexico. The name ''parvus'' is from the Latin word for small because it is the species ...

'' – pygmy alligator lizard *''

Gerrhonotus rhombifer The isthmian alligator lizard (''Gerrhonotus rhombifer'') is a species of lizard of the Anguidae family. ''G. rhombifer'' is found in both Costa Rica and Panama. Unlike many lizards near its habitat, individuals have lateral folds. They give bi ...

'' – isthmian alligator lizard

Species and subspecies

References

External links

Further reading