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Microlophus pacificus (STEINDACHNER, 1876)

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Higher TaxaTropiduridae, Iguania, Sauria, Squamata (lizards) 
Common NamesCommon Pacific Iguana 
SynonymTropidurus (Craniopeltis) pacificus STEINDACHNER 1876
Leiocephalus pacificus — GÜNTHER 1877
Tropidurus pacificus — BOULENGER 1885: 173
Tropidurus abingdonensis BAUR 1890
Tropidurus abingdonii (sic) BAUR 1890 (fide BOULENGER 1891)
Tropidurus pacificus — VAN DENBURGH & SLEVIN 1913
Microlophus pacificus — FROST 1992: 48
Microlophus pacificus— SWASH & STILL 2000 
DistributionGalapagos: Pinta (Ecuador)

Type locality: “Indefatigable ?” (= Isla Santa Cruz) and Bindloe (= Isla Marchena), Galapagos.  
TypesType: unlocated (fide TORRES-CARVAJAL 2001); NMW fide Steindachner 1876
Syntypes: USNM 14966-15001, INHS (= UIMNH) [abingdonensis] 
CommentSynonymy: BOULENGER 1891 considered Tropidurus abingdonensis BAUR 1890 as synonyms of Microlophus pacificus

BOULENGER (1891) gives the author as PETERS 1871.

The types are not located fide TORRES-CARVAJAL (2001). The SYNTYPE of abingdonensis are UIMNH 40749 (USNM 14998). 
  • Baur, G. 1890. Das Variieren der Eidechsen-Gattung Tropidurus auf den Galapagos Inseln und Bemerkungen über den Ursprung der Inselgruppe. Biol. Centralblatt. 10: 475-483. - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Boulenger, George A. 1891. On the Galapagos lizards of the genus Tropidurus. Ann. Mag. Nat. Hist. (6) 7 (42): 501-503 - get paper here
  • Frost, Darrel R. 1992. Phylogenetic analysis and taxonomy of the Tropidurus group of lizards (Iguania: Tropidurudae). American Museum Novitates (3033): 1-68 - get paper here
  • Jackson, M. H. 1985. Galapagos: a natural history guide. University of Calgary Press, Calgary, Canada. 283 pp.
  • Lopez,T.J.; Hauselman,E.D.; Maxson,L.R. & Wright,J.W. 1992. Preliminary analysis of phylogenetic relationships among Galapagos Island lizards of the genus Tropidurus. Amphibia-Reptilia 13: 327-339 - get paper here
  • Steindachner, F. 1876. Die Schlangen und Eidechsen der Galapagos-Inseln. Festschr. zool.-bot. Ges., Wien 1876: 303-329 - get paper here
  • Swash, A. & Still, R. 2000. Birds, Mammals and Reptiles of the Galapagos Islands. Pica Press, 168 pp.
  • Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - get paper here
  • Torres-Carvajal, O. 2001. Lizards of Ecuador: Checklist, Distribution, and Systematic References. Smithsonian Herp. Inf. Serv. (131): 1-35 - get paper here
  • Valencia, J. H., K. Garzón-Tello & M. E. Barragán-Paladines 2016. Serpientes venenosas del Ecuador: sistemática, taxonomía, historia natural, conservación, envenenamiento y aspectos antropológicos. Quito, Ecuador, Fundación Herpetológica Gustavo Orcés, Universidad de Texas, Fondo Ambiental Nacional, 652 pp. [review in HR 49 (1): 152, 2018]
  • Van Denburgh, J., and J. R. Slevin 1913. Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906. IX. The Galapagoan lizards of the genus Tropidurus with notes on iguanas of the genera Conolophus and Amblyrhynchus. Proc. Cal. Acad. Sci. (ser. 4) 2: 132-202. - get paper here
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