NATURAL HISTORY · CATALOGUE RECORD
Jackson’s chameleon
Trioceros jacksonii (Boulenger, 1896)
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
Jackson's chameleon (Trioceros jacksonii), also known commonly as Jackson's horned chameleon, the three-horned chameleon, and the Kikuyu three-horned chameleon, is a species of chameleon, a lizard in the family Chamaeleonidae. The species is native to East Africa, and introduced to Hawaii, Florida, and California. There are three recognized subspecies.
Wikipedia contributors, Jackson's chameleon; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:40:00.962324+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Trioceros jacksonii (Boulenger, 1896)
- Name authority
- (Boulenger, 1896)
- Common name
- Jackson’s chameleon
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Chamaeleonidae
- Genus
- Trioceros
- 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
- suborderIguania
- familyChamaeleonidae
- genusTrioceros
- speciesTrioceros jacksonii (Boulenger, 1896)
Close classified relatives
These entries share the source’s genus, Trioceros. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Ruppell's Desert ChameleonTrioceros affinis (Rüppell, 1845) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Trioceros camerunensis (Müller, 1909) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| South Sudanese Unicorn ChameleonTrioceros conirostratus (Tilbury, 1998) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Crested ChameleonTrioceros cristatus (Stutchbury, 1837) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Trioceros feae (Boulenger, 1906) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| High-casqued ChameleonTrioceros hoehnelii (Steindachner, 1891) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Ukinga hornless chameleonTrioceros incornutus (Loveridge, 1932) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Ituri Forest ChameleonTrioceros ituriensis (Schmidt, 1919) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Spiny-flanked chameleonTrioceros laterispinis (Loveridge, 1932) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Mt Marsabit chameleonTrioceros marsabitensis (Tilbury, 1991) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Perret’s ChameleonTrioceros perreti (Klaver & Böhme, 1992) | ChamaeleonidaeChordata | Accepted speciesExtinction status not supplied |
| Eisentraut’s Chameleon [eisentrauti]Trioceros quadricornis (Tornier, 1899) | ChamaeleonidaeChordata | 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 |
|---|---|
| Chamaeleo jacksonii xantholophus Eason, Ferguson & Hebrard, 1988 Eason, Ferguson & Hebrard, 1988 | synonym |
| Chamaeleon jacksonii Boulenger, 1896 Boulenger, 1896 | synonym |
| Chamaeleo jacksonii merumontana Rand, 1958 Rand, 1958 | synonym |
| Chamaeleon jacksonii var. vauerescecae Tornier, 1904 Tornier, 1904 | 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=Trioceros&species=jacksonii 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:58VQK. Classification follows source parent identifiers. English common names may vary by region.