NATURAL HISTORY · CATALOGUE RECORD
Texas Alligator Lizard
Gerrhonotus infernalis Baird, 1859
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
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 Mexico.
Wikipedia contributors, Gerrhonotus infernalis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T10:09:56.195866+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Gerrhonotus infernalis Baird, 1859
- Name authority
- Baird, 1859
- Common name
- Texas Alligator Lizard
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Anguidae
- Genus
- Gerrhonotus
- Extinction status
- Not supplied by this source
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderAutarchoglossa
- familyAnguidae
- subfamilyGerrhonotinae
- genusGerrhonotus
- speciesGerrhonotus infernalis Baird, 1859
Close classified relatives
These entries share the source’s genus, Gerrhonotus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Gerrhonotus mccoyi García-Vázquez, Contreras-Arquieta, Trujano-Ortega & Nieto-Montes de Oca, 2018 | AnguidaeChordata | Accepted speciesExtinction status not supplied |
| Gerrhonotus occidentalis Nieto-Montes de Oca, Wiens & García-Vázquez, 2025 | AnguidaeChordata | Accepted speciesExtinction status not supplied |
| Gerrhonotus farri Bryson & Graham, 2010 | AnguidaeChordata | Accepted speciesExtinction status not supplied |
| Texas Alligator LizardGerrhonotus liocephalus Wiegmann, 1828 | AnguidaeChordata | Accepted speciesExtinction status not supplied |
| Snake LizardGerrhonotus ophiurus Cope, 1867 | AnguidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Gerrhonotus liocephalus aguayoi Contreras-Arquieta, 1989 Contreras-Arquieta, 1989 | synonym |
| Gerrhonotus liocephalus taylori Tihen, 1954 Tihen, 1954 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://reptile-database.reptarium.cz/species?genus=Gerrhonotus&species=infernalis Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:3FX5L. Classification follows source parent identifiers. English common names may vary by region.