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Amerotyphlops costaricensis (JIMÉNEZ & SAVAGE, 1963)

IUCN Red List - Amerotyphlops costaricensis - Least Concern, LC
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Higher TaxaTyphlopidae (Typhlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Costa Rica Worm Snake 
SynonymTyphlops costaricensis JIMÉNEZ & SAVAGE 1963
Typhlops costaricensis — MCDIARMID, CAMPBELL & TOURÉ 1999: 97
Typhlops costaricensis — SAVAGE 2002
Typhlops costaricensis — SOLORZANO 2004
Amerotyphlops costaricensis — HEDGES et al. 2014
Typhlops costaricensis — WALLACH et al. 2014: 761
Amerotyphlops costaricensis — SUNYER & MARTÍNEZ-FONSECA 2023 
DistributionHonduras, Nicaragua, Costa Rica.

Type locality: “Monteverde, Sierra de Tilaran, Provincia de Puntarenas, elevation 1500 m. , Costa Rica”  
Reproductionoviparous 
TypesHolotype: LACM 26767 (formerly MNCR 1960 = Museo Nacional de Costa Rica; according to HAHN 1980 “on permanent loan to the University of Southern California, Los Angeles”.) 
DiagnosisDiagnosis: A moderate sized (maximum total length 360 mm) and uniformly pigmented Typhlops (all rows pigmented with brown) with in­ variably 20 scale rows about the body, a complete nasal suture, and a relatively high number of dorsal scales from rostral to tail spine (x = 397.7) (Dixon & Hendrick 1979: 18)


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Comment 
EtymologyNamed after the type locality. 
References
  • 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
  • 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
  • Granados-Martínez S, Chaves G 2020. Range extension for the Costa Rican Blindsnake, Amerotyphlops costaricensis (Jiménez & Savage, 1962) (Serpentes, Typhlopidae). Check List 16 (5): 1129–1132 - 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
  • Jimenez, A. & SAVAGE,J.M. 1963. A new blind snake (genus Typhlops from Costa Rica. Revista de Biologia Tropical 10: 199-203 [1962] - get paper here
  • McCranie J R 2011. The snakes of Honduras. SSAR, Salt Lake City, 725 pp.
  • McCranie, James R. 2015. A checklist of the amphibians and reptiles of Honduras, with additions, comments on taxonomy, some recent taxonomic decisions, and areas of further studies needed. Zootaxa 3931 (3): 352–386 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - get paper here
  • Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205]
  • Solís, J. M., L. D. Wilson, and J. H. Townsend. 2014. An updated list of the amphibians and reptiles of Honduras, with comments on their nomenclature. Mesoamerican Herpetology 1: 123–144 - get paper here
  • Solorzano, A. 2004. Serpientes de Costa Rica - Snakes of Costa Rica. Editorial INBio, Costa Rica, 792 pp.
  • Sunyer, Javier 2014. An updated checklist of the amphibians and reptiles of Nicaragua. Mesoamerican Herpetology 1 (2): 186–202. - get paper here
  • Sunyer, Javier & José́ Gabriel Martínez-Fonseca 2023. An updated country checklist to the amphibians and reptiles of Nicaragua. REVISTA NICARAGÜENSE DE BIODIVERSIDAD (100): 1-25 - get paper here
  • Townsend, Josiah H.; Wilson, L.D.; Ketzler, L.P. & Luque-Montes, I.R. 2008. The largest blindsnake in Mesoamerica: a new species of Typhlops (Squamata: Typhlopidae) from an isolated karstic mountain in Honduras. Zootaxa 1932: 18–26 - get paper here
  • Villa J D 1988. Typhlops costaricensis Jimenez and Savage. Costa Rican blind snake. Catalogue of American Amphibians and Reptiles ( 435: 1-2 - get paper here
  • Villa, J. 1978. Geographic distribution: Typhlops costaricensis, Nicaragua. Herpetological Review 9 (2): 62 - 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.
  • Wilson, L. D.; Diaz, G. A. C.; Villeda, E.; Flores, S. 1988. Typhlops costaricensis Jimenez and Savage: an addition to the snake fauna of Honduras. Southwestern Naturalist 33 (4): 499-500 - get paper here
 
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