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Letheobia coecatus (JAN, 1864)

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Higher TaxaTyphlopidae (Afrotyphlopinae), Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymTyphlops (Typhlops) coecatus JAN 1864
Typhlops caecatus — BOULENGER 1893: 32 (Subst. name for T. coecatus JAN)
Typhlops caecatus — HUGHES & BARRY 1969
Typhlops coecatus — HAHN 1980
Letheobia coecata — HEDGES et al. 2014
Letheobia coecata — TRAPE & BALDÉ 2014: 305
Letheobia caecata — TRAPE & BALDÉ 2014: 322
Typhlops coecatus — PYRON & WALLACH 2014
Typhlops coecatus — WALLACH et al. 2014: 760
Letheobia coecata — SZYNDLAR & GEORGALIS 2023
Afrotyphlops coecatus — TRAPE 2023: 734 
DistributionGhana, Ivory Coast, Guinea (Conakry)

Type locality: “Gold Coast” (JAN 1864)  
Reproductionoviparous 
TypesHolotype: NMBA (Basel) 310 (JAN 1864) 
DiagnosisAdditional details, e.g. a detailed description or comparisons (585 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSynonymy: The placement of this species remains uncertain until genetic information is available. “The T-III SIP excludes it from the genus Letheobia (which is exclusively T-0 or T-II pattern) and a moderately angled supranasal concavity suggest affinity with Typhlops (which all have a deeply angled nasal, a synapomorphy of Typhlops, Antillotyphlops & Cubatyphlops” (V. Wallach, pers. comm., 19 Dec 2017). Blair Hedges argues that “Typhlops is a Caribbean genus and there is no molecular evidence that it occurs in Africa”, hence we leave coecatus in Letheobia for the time being. 
References
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Chippaux, Jean-Philippe & Kate Jackson 2019. Snakes of Central and Western Africa. Johns Hopkins University Press, 448 pp. [detaileld review in HR 51 (1): 161] - 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
  • Hughes, B. & Barry,D.H. 1969. The snakes of Ghana: a checklist and key. Bull. Inst. Franc. Afrique Noire A, 31: 1004-1041
  • Jan, G. 1864. Iconographie générale des ophidiens. 3. Livraison. J.B. Bailière et Fils, Paris - get paper here
  • Pyron, R.A. & Wallach, V. 2014. Systematics of the blindsnakes (Serpentes: Scolecophidia: Typhlopoidea) based on molecular and morphological evidence. Zootaxa 3829 (1): 001–081 - get paper here
  • Szyndlar Z, Georgalis GL 2023. An illustrated atlas of the vertebral morphology of extant non-caenophidian snakes, with special emphasis on the cloacal and caudal portions of the column. Vertebrate Zoology 73: 717-886 - get paper here
  • Trape, J.-F. 2023. Guide des serpents d’Afrique occidentale, centrale et d’Afrique du Nord. IRD Éditions, Marseille, 896 pp.
  • TRAPE, JEAN-FRANÇOIS & CELLOU BALDÉ 2014. A checklist of the snake fauna of Guinea, with taxonomic changes in the genera Philothamnus and Dipsadoboa (Colubridae) and a comparison with the snake fauna of some other West African countries. Zootaxa 3900 (3): 301–338 - get paper here
 
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