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Myriopholis macrura (BOULENGER, 1899)

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Higher TaxaLeptotyphlopidae, Leptotyphlopinae, Myriopholini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Boulenger's Blind Snake 
SynonymGlauconia longicauda BOULENGER (preoccupied) 1899
Glauconia macrura BOULENGER 1903 (nomen novum pro Glauconia longicauda BOULENGER)
Leptotyphlops macrura — PARKER 1949: 20
Leptotyphlops macrurus — HAHN 1978
Leptotyphlops macrurus — MCDIARMID, CAMPBELL & TOURÉ 1999: 36
Myriopholis macrura — ADALSTEINSSON, BRANCH, TRAPE, VITT & HEDGES 2009
Myriopholis macrura — WALLACH et al. 2014: 465 
DistributionYemen (Socotra Island).

Type locality: Jena-agahan, 1200-2500 ft.; Dahamis, 350 ft.; and Homhil, 1500-2500 ft., Socotra.  
Reproductionoviparous 
TypesSyntypes: BMNH 1946.1.11.75-76, 1946.1.11.88-91, 1946.1.10.84-85. 
DiagnosisDiagnosis: L. macrurus differs from L. filiformis in the proportional bigger diameter at midbody and the strong caudal spine. According to Hahn (1978) L. wilsoni differs from L. macrurus in the following features: a hooked snout, divided occipitals (?) [from RÖSLER & WRANIK 2006].

Description: “This species is much stouter than L. filiformis and wilsoni measuring from 107 to 165 mm, and having horizontal diameters of 3.0 to 4.2 mm. Total length divided by diameter equals 35.5 to 45.0 times (mean 39.6). Head slightly broader than neck; snout prominently protruding to an obtuse point anteriorly, and hooked in lateral profile, the preoral portion of rostral being concave. Rostral does not reach level of the eye posteriorly; rostral approximately one-half the width of the head at its widest point; nasal completely divided, with a corner of the lower portion visible in dorsal view; upper portion of nasal about one-half the width of the ocular; single, small anterior supralabial between the nasal and ocular, larger proportionately than that of L. filiformis; ocular reaches lip; eyes distinct; supraoculars about the same size as prefrontal and frontal; parietal single, occipital divided (BMNH 1946.1.11.91 has an undivided occipital on the right side). Posterior supralabial large, but does not reach eye level dorsally; no mental present; five infralabials present. Total dorsals 257-277, mean 268.9; 14 scale rows around body; tail terminating in an acute point after a long even taper; ten scale rows around middle of tail in all specimens examined; tail length about twice as long as in filiformis, going into total length 5.4 to 6.5 times (mean 5.9); subcaudals 43 to 54 (mean 48.6). The five dorsal-most scale rows are pigmented with a diffuse dark brown pigment; the nine ventral and lateral scale rows are light brown; no sharp line of pigment demarcation is present.” (Hahn 1978) 
CommentDistribution: For a map see Sindaco et al. 2013. 
References
  • Adalsteinsson, S.A.; Branch, W.R.; Trapé, S.; Vitt, L.J. & Hedges, S.B. 2009. Molecular phylogeny, classification, and biogeography of snakes of the Family Leptotyphlopidae (Reptilia, Squamata). Zootaxa 2244: 1-50 - get paper here
  • Boulenger, G. A. 1899. Descriptions of the new species of reptiles. Bulletin of the Liverpool Museum, 2:4-7 - get paper here
  • Boulenger, G.A. 1903. Bull. Liverpool Mus., 1903: 89
  • Corkill, N. L. and Cochrane, J. A. 1966. The snakes of the Arabian Peninsula and Socotra. J. Bombay nat. Hist. Soc. 62 (3): 475-506 (1965) - get paper here
  • Hahn D. E. & V. WALLACH, 1998. Comments on the systematics of Old World Leptotyphlops (Serpentes: Leptotyphlopidae), with description of a new species. Hamadryad 23: 50-62 - get paper here
  • Hahn, D.E. 1978. A brief review of the genus Leptotyphlops (Serpentes: Leptotyphlopidae) of Asia, with description of a new species. Journal of Herpetology 12 (4): 477-489 - 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.
  • Parker,H.W. 1949. The snakes of Somaliland and the Sokotra islands. Zoologische Verhandelingen 6: 1-115 - get paper here
  • Razzetti, Edoardo; ROBERTO SINDACO, CRISTINA GRIECO, FRANCESCA PELLA, UGO ZILIANI, FABIO PUPIN, ELISA RISERVATO, DANIELE PELLITTERI-ROSA, LUCA BUTIKOFER, AHMED SAEED SULEIMAN, BADAR AWADH AL-ASEILY, CATERINA CARUGATI, ELEONORA BONCOMPAGNI & MAURO FAS 2011. Annotated checklist and distribution of the Socotran Archipelago Herpetofauna (Reptilia). Zootaxa 2826: 1–44 - get paper here
  • Sindaco, R.; Alberto Venchi & Cristina Grieco 2013. The Reptiles of the Western Palearctic, Volume 2: Annotated Checklist and Distributional Atlas of the Snakes of Europe, North Africa, Middle East and Central Asia, with an Update to Volume 1. Edizioni Belvedere, Latina (Italy), 543 pp. - 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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