Microlophus duncanensis (Baur, 1890)
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.

Pinzón Lava Lizard (Microlophus duncanensis). Species of reptile.
Loren Cassin Sackett · CC BY 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Microlophus duncanensis, commonly known as the Pinzón lava lizard, is a species of lava lizard endemic to the Galapagos Island of Pinzón. Although currently classified in the genus Microlophus, it has also been assigned to the genus Tropidurus.
Wikipedia contributors, Microlophus duncanensis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T14:38:20.729862+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Microlophus duncanensis (Baur, 1890)
- Name authority
- (Baur, 1890)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Tropiduridae
- Genus
- Microlophus
- 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
- familyTropiduridae
- genusMicrolophus
- speciesMicrolophus duncanensis (Baur, 1890)
Close classified relatives
These entries share the source’s genus, Microlophus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Floreana Lava LizardMicrolophus grayii (Bell, 1843) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Microlophus koepckeorum (Mertens, 1956) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Knobbed Pacific IguanaMicrolophus occipitalis (Peters, 1871) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Four-banded Pacific IguanaMicrolophus quadrivittatus (Tschudi, 1845) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Theresia's Pacific IguanaMicrolophus theresiae (Steindachner, 1901) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Tschudi's Pacific IguanaMicrolophus thoracicus (Tschudi, 1845) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Tiger Pacific IguanaMicrolophus tigris (Tschudi, 1845) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Galapagos Lava LizardMicrolophus barringtonensis (Baur, 1892) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Galapagos Lava LizardMicrolophus indefatigabilis (Baur, 1890) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Santiago Lava LizardMicrolophus jacobii (Baur, 1892) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Microlophus arenarius (Tschudi, 1845) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| Slevin’s lava lizards ProposedMicrolophus slevini Torres-Carvajal, 2024 | TropiduridaeChordata | 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 |
|---|---|
| Tropidurus duncanensis Baur, 1890 Baur, 1890 | ambiguous 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=Microlophus&species=duncanensis 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.
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:42YGX. Classification follows source parent identifiers. English common names may vary by region.