NATURAL HISTORY · CATALOGUE RECORD
Tschudi's Pacific Iguana
Microlophus thoracicus (Tschudi, 1845)
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.
Identity & source status
- Scientific name
- Microlophus thoracicus (Tschudi, 1845)
- Name authority
- (Tschudi, 1845)
- Common name
- Tschudi's Pacific Iguana
- 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 thoracicus (Tschudi, 1845)
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 |
|---|---|---|
| Microlophus duncanensis (Baur, 1890) | TropiduridaeChordata | Accepted speciesExtinction status not supplied |
| 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 |
| 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 thomasi Boulenger, 1900 Boulenger, 1900 | synonym |
| Steirolepis thoracica Tschudi, 1845 Tschudi, 1845 | 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=thoracicus 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:42YHK. Classification follows source parent identifiers. English common names may vary by region.