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Madascincus minutus (RAXWORTHY & NUSSBAUM, 1993)

IUCN Red List - Madascincus minutus - Least Concern, LC

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Higher TaxaScincidae, Scincinae, Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymAmphiglossus minutus RAXWORTHY & NUSSBAUM 1993
Amphiglossus minutus — GLAW & VENCES 1994: 318
Amphiglossus minutus — SCHMITZ et al. 2005 
DistributionMadagascar

Type locality: “Manongarivo”  
Reproduction 
TypesHolotype: UMMZ 192705 
DiagnosisDiagnosis. A tiny Amphiglossus, 39 mm maximum SVL with 20-22 longitudinal rows of scales around midbody, 48-54 scales between mental scale and anal scale, 29-30 presacral vertebrae, 10-11 lamellae under fourth toe of hindfoot. The head scales are pitted. The coloration dorsally is dark brown (almost black) with lighter brown flanks; tail underside is grey, with most scales marked by a single black spot; sutures of the upper posteriorlabials are lined blotchy brown. No other species of Amphiglossus has such a low number of scales between the mental and anal scale; the lowest numbers previously known occur in A. melanopleura (56-63) and A. macrolepis (60) (Brygoo, 1984a, 1985). Amphiglossus melanopleura also differs from A. minutus in coloration: the flanks of A. melanopleura are darker than the brown dorsal area of body,there is always an obvious dark dorsolateral line, the sutures of the upper labials are lined black, and the tail underside is usually white and unspotted. Amphiglossus melanopleura is larger than A. minutus, maximum SVL 52 mm, has more scale rows (22-24) on the midbody and more lamellae under the fourth toe of the hindfoot (10-16) (Brygoo, 1984a). The tail cross section of Amphiglossus minutus is circular at the base whereas that of A. melanopleura is slightly dorsoventrally flattened. Amphiglossus macrolepis has more (33) presacral vertebrae and reduced digits, with just six lamellae under the fourth toe of the hindfoot (Brygoo, 1985, RAXWORTHY & NUSSBAUM 1993: 331) 
Comment 
References
  • Andreone F., Randrianirina J., Jenkins P.D. & Aprea G. 2000. Species diversity of Amphibia, Reptilia and Lipotyphla (Mammalia) at Ambolokopatrika, a rainforest between the Anjanaharibe-Sud and Marojejy massifs, NE Madagascar. Biodiversity and Conservation 9: 1587–1622
  • Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3)
  • Miralles, Aurélien; Jörn Köhler, Frank Glaw, Miguel Vences 2016. Species delimitation methods put into taxonomic practice: two new Madascincus species formerly allocated to historical species names (Squamata, Scincidae). Zoosyst. Evol. 92 (2): 257–275; DOI 10.3897/zse.92.9945 - get paper here
  • Raxworthy C J. NUSSBAUM R A. 1993. Four new species of Amphiglossus from Madagascar (Squamata: Scincidae). Herpetologica 49 (3): 326-341. - get paper here
  • Schmitz, A.; M.C. Brandley; P. Mausfeld; M. Vences; F. Glaw; R.A. Nussbaum and T.W. Reeder 2005. Opening the black box: phylogenetics and morphological evolution of the Malagasy fossorial lizards of the subfamily “Scincinae”. Molecular Phylogenetics and Evolution 34: 118–133 (published online 2004) - get paper here
 
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