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Acutotyphlops banaorum WALLACH, BROWN, DIESMOS & GEE, 2007

IUCN Red List - Acutotyphlops banaorum - Data Deficient, DD

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Higher TaxaTyphlopidae (Asiatyphlopinae), Typhlopoidea, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymAcutotyphlops banaorum WALLACH, BROWN, DIESMOS & GEE 2007
Acutotyphlops banaorum — HEDGES et al. 2014
Acutotyphlops banaorum — WALLACH et al. 2014: 8 
DistributionN Philippines (Luzon: Kalinga Province)

Type locality: irrigation ditch in a muddy area of water pools near Barangay Balbalasang, Municipality of Balbalan, Kalinga Province, Luzon Island, The Philippines (17°29’N, 121°03’E), 900 m elevation. 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: PNM 9280 (formerly FMNH 259604; field number GVAG 219), a juvenile male collected by G. V. A. Gee on 28 March 2001. 
CommentDiagnosis: Acutotyphlops banaorum can be distinguished from all Typhlopidae except Papua/Solomon Acutotyphlops by any of the following characters: (1) V-shaped lower jaw; (2) short, narrow rostral; (3) an enlarged frontorostral shield; (4) occipital condyle formed solely from the basioccipital; and (5) acuminate contact of four braincase bones (parietal and basisphenoid, frontal and prootic) forming an X-shaped pattern. From the Papua/ Solomon Acutotyphlops it can be separated by the presence of (1) a single ocular and preocular shield (vs. fragmentation into 6–10 shields), (2) three infralabials (vs. 5–7 shields), (3) fourth supralabial as tall as long (vs. at least twice as long as tall), (4) uniformly light dorsum and venter with irregular dark dorsal spots (vs. dark dorsum and light venter separated by a sharp demarcation), and absence of (5) retrocloacal sacs, and (6) a solid, awned hemipenis with helical coils in tail when retracted. 
Etymologynamed in recognition of the Banao tribespeoples of the Central Cordillera. 
References
  • 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
  • Wallach, V.; Brown, R.M.; Diesmos, A.C. & Gee, G.V.A. 2007. An Enigmatic New Species of Blind Snake from Luzon Island, Northern Philippines, with A Synopsis of The Genus Acutotyphlops (Serpentes: Typhlopidae). Journal of Herpetology 41 (4): 690-702 - get paper here
  • 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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