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Amerotyphlops yonenagae (RODRIGUES, 1991)

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Higher TaxaTyphlopidae (Typhlopinae), Typhlopoidea, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesYonenga Worm Snake 
SynonymTyphlops yonenagae RODRIGUES 1991
Typhlops yonenagae — MCDIARMID, CAMPBELL & TOURÉ 1999: 124
Typhlops yonenagae — LAMBERTZ 2010
Amerotyphlops yonenagae — HEDGES et al. 2014
Typhlops yonenagae — WALLACH et al. 2014: 774 
DistributionBrazil (Bahia)

Type locality: “Brasil: Bahia: Santo Inácio (11°06’ S, 42°44’ W).” Map legend:
Type locality - Type locality.
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionoviparous 
TypesHolotype: MZUSP 10086 
Commentmax length: 200 mm.

The only differences between T. yonenagae and T. amoipira are the total number of dorsal scales (212-242 in T. amoipira; 259-291 in T. yonenagae) and color pattern. Specimens of T. yonenagae are creamy brown, with a conspicuous middorsal line along body extending from posterior part of head to tail. Specimens of T. amoipira are less pigmented and the line, mostly inconspicuous, is present only in the anterior third of body in juveniles.

Diagnosis: “Typhlopidae pequeno com sutura nasal incompleta. Dezoito escamas ao redor domeio do corpo, sem reducoes; 259 a 269 escamas dorsais. Dorso creme com uma linha mediodorsal escura bern marcada; ventre imaculado.” [from RODRIGUES 1991]

Photo in Lambertz (2010). 
References
  • Garda, A.A.; T.B. Costa; C.R. Santos-Silva; D.O. Mesquita; R.G. Faria; B.M. Conceição; I.R.S. Silva; A.S. Ferreira; S.M. Rocha; C.N.S. Palmeira; R. Rodrigues; S.F. Ferrari; S. Torquato. 2013. Herpetofauna of protected areas in the Caatinga I: Raso da Catarina Ecological Station (Bahia, Brazil). Check List 9 (2):405-414 - get paper here
  • Hamdan, B. & R. M. Lira-da-Silva 2012. The snakes of Bahia State, northeastern Brazil: species richness, composition and biogeographical notes. Salamandra 48 (1): 31-50 - get paper here
  • Hamdan, B.; D.P. Coelho; A.B. D’Angiolella; E.J.R. Dias; R.M. Lira-da-Silva. 2013. The Reptile Collection of the Museu de Zoologia, Universidade Federal da Bahia, Brazil. Check List 9 (2):257-262 - 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
  • Lambertz, M. 2010. Kommentierte Liste der squamaten Reptilien des Sanddünengebietes am mittleren Rio São Francisco (Bahia, Brasilien) unter besonderer Berücksichtigung endemischer Faunenelemente. Ophidia 4 (2): 2-17 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. Herpetologists’ League, 511 pp.
  • Rodrigues M T 1991. Herpetofauna das dunas interiores do rio Sao Francisco, Bahia, Brasil. 4. Uma nova especie de Typhlops (Ophidia, Typhlopidae). PAPEIS AVULSOS DE ZOOLOGIA (SAO PAULO) 37 (22) 1991: 343-346 - get paper here
  • Rodrigues M. T. 2002. Herpetofauna of Quaternary sand dunes of the middle Rio São Francisco, Bahia, Brazil. VII. Typhlops amoipira sp. nov., a possible relative of Typhlops yonenagae (Serpentes, Typhlopidae). Papéis Avulsos de Zoologia 42: 323-331 - get paper here
  • Rodrigues, M.T. 2003. Herpetofauna da Caatinga. In: I.R. Leal, M. Tabarelli & J.M.C. Silva (eds.). Ecologia e conservação da Caatinga, pp. 181-236. Editora Universitária, Universidade Federal de Pernambuco, Recife, Brasil.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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