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Amerotyphlops minuisquamus (DIXON & HENDRICKS, 1979)

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Higher TaxaTyphlopidae (Typhlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Basin Worm Snake
Portuguese: Cobra-Cega 
SynonymTyphlops minuisquamus DIXON & HENDRICKS 1979: 21
Typhlops minuisquamus — LANCINI & KORNACKER 1989
Typhlops minuisquamus — MCDIARMID, CAMPBELL & TOURÉ 1999: 111
Typhlops minuisquamus — COLE et al. 2013
Amerotyphlops minuisquamus — HEDGES et al. 2014
Typhlops minuisquamus — WALLACH et al. 2014: 767
Amerotyphlops minuisquamus — NOGUEIRA et al. 2019 
DistributionPeru (Loreto), Brazil (Amazonas), Guyana, Colombia

Type locality: Mishana, Loreto, Peru.  
Reproductionoviparous 
TypesHolotype: TCWC 39130 
DiagnosisDiagnosis: A species of Typhlops distinguished from all other New World Typhlops by having a scale row reduction from 20 to 14, 18 to 14 or 18 to 12; sharply bicolored with 11 rows darkly pigmented, a white snout with or without a dark rostral spot, and the absence of a light colored tail ring. (Dixon & Hendricks 1979: 21) 
CommentDistribution: not in Venezuela (Luis Esqueda, pers. comm., 21 April 2016, see also Natera-Mumaw et al. 2015). See map in Nogueira et al. 2019. 
EtymologyNamed after Latin minuo, to make small, lessen, diminish, divide into small pieces + Latin squama, a scale. (Esteban Lavilla, pers. comm., April 2024) 
References
  • Caicedo-Portilla, José Rances 2011. Sexual dimorphism and geographic variation of the blind snake Typhlops reticulatus (Scolecophidia: Typhlopidae) and distribution of species of the genus in Colombia [in Spanish]. Caldasia 33 (1): 221-234 - get paper here
  • Cole, Charles J.; Carol R. Townsend, Robert P. Reynolds, Ross D. MacCulloch, and Amy Lathrop 2013. Amphibians and reptiles of Guyana, South America: illustrated keys, annotated species accounts, and a biogeographic synopsis. Proceedings of the Biological Society of Washington 125 (4): 317-578; plates: 580-620 - get paper here
  • Dixon J R; Hendricks F S 1979. The wormsnakes (family Typhlopidae) of the neotropics, exclusive of the Antilles. Zoologische Verhandelingen (173): 1-39 - get paper here
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • Graboski R, Arredondo JC, Grazziotin FG, et al. 2018. Molecular phylogeny and hemipenial diversity of South American species of Amerotyphlops (Typhlopidae, Scolecophidia). Zoologica Scripta 48: 139– 156 - get paper here
  • GRABOSKI, ROBERTA; GENTIL ALVES PEREIRA FILHO, ARIANE AUXILIADORA ARAÚJO DA SILVA, ANA LÚCIA DA COSTA PRUDENTE, HUSSAM ZAHER 2015. A new species of Amerotyphlops from Northeastern Brazil, with comments on distribution of related species. Zootaxa 3920 (3): 443–452 - get paper here
  • Hedges, S.B., Marion, A.B., Lipp, K.M., Marin, J. & Vidal, N. 2014. A taxonomic framework for typhlopid snakes from the Caribbean and other regions (Reptilia, Squamata). Caribbean Herpetology 49: 1–61 - get paper here
  • Lancini,A.R. & Kornacker,P.M. 1989. Die Schlangen von Venezuela. Armitano Editores C.A., Caracas, 1-381
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • MENDES-PINTO, TELÊMACO JASON; Mestrando, BERNHARD, RAFAEL, VOGT, RICHARD; PEDRETT, RONNEZZA CÉLLIA LOBATO CAMPOS;GARCIA, RAUBER SANTOS 2011. A COLLECTION OF AMPHIBIANS AND REPTILES OF THE NATIONAL INSTITUTE OF RESEARCH OF THE AMAZON. Rev. Colombiana cienc. Anim. 3(2): 238 - get paper here
  • Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Rodrigues M T 1991. Herpetofauna das dunas interiores do rio Sao Francisco, Bahia, Brasil. 4. Uma nova especie de Typhlops (Ophidia, Typhlopidae). Pap. Avul. Zool., Sao Paulo 37 (22) 1991: 343-346 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
 
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