NATURAL HISTORY · CATALOGUE RECORD
Sandstone Night Lizard
Xantusia gracilis Grismer & Galvan, 1986
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 sandstone night lizard (Xantusia gracilis) is a species of lizard in the family Xantusiidae. It is endemic to Truckhaven Rocks, a 3 km2 (1.2 sq mi) area in the southeastern part of the Santa Rosa Mountains of California, United States.
Wikipedia contributors, Sandstone night lizard; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T10:09:40.316382+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Xantusia gracilis Grismer & Galvan, 1986
- Name authority
- Grismer & Galvan, 1986
- Common name
- Sandstone Night Lizard
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Xantusiidae
- Genus
- Xantusia
- 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
- familyXantusiidae
- subfamilyXantusiinae
- genusXantusia
- speciesXantusia gracilis Grismer & Galvan, 1986
Close classified relatives
These entries share the source’s genus, Xantusia. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Arizona Night LizardXantusia arizonae Klauber, 1931 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Bolson Night LizardXantusia bolsonae Webb, 1970 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Baja California Night LizardXantusia gilberti Van Denburgh, 1895 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Granite Night LizardXantusia henshawi Stejneger, 1893 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Xantusia jaycolei Bezy, Bezy & Bolles, 2008 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Island Night LizardXantusia riversiana Cope, 1883 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Sanchez's Night LizardXantusia sanchezi Bezy & Flores-Villela, 1999 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Xantusia sherbrookei Bezy, Bezy & Bolles, 2008 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Desert Night LizardXantusia vigilis Baird, 1859 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Bezy's Night LizardXantusia bezyi Papenfuss, Macey & Schulte, 2001 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Durangoan Night LizardXantusia extorris Webb, 1965 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
| Wiggins' Desert Night LizardXantusia wigginsi Savage, 1952 | XantusiidaeChordata | Accepted speciesExtinction status not supplied |
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=Xantusia&species=gracilis 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:5C8P3. Classification follows source parent identifiers. English common names may vary by region.