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Amphisbaena cegei MONTERO, SÁFADEZ, ÁLVAREZ, 1997

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymAmphisbaena cegei MONTERO, SÁFADEZ, ÁLVAREZ 1997
Amphisbaena cegei — DIRKSEN & DE LA RIVA 2000
Amphisbaena cegei — GANS 2005: 13 
DistributionBolivia (Santa Cruz)

Type locality: Pampa Grande (64°06’S, 18’W), Province of Florida, Department of Santa Cruz, Bolivia.  
Reproductionoviparous 
TypesHolotype: MNK R (MNKM) 580 (Museo de Historia Natural Noel Kempff Mercado, Santa Cruz) 
DiagnosisDIAGNOSIS: A small form of Amphisbaena, without major fusion of head shields, with the frontals, the largest segment on the dorsal surface, and the second infralabial, by far the largest segment on the ventral surface, with a short prognathous snout, a postmental with a medial groove, lacking a postmalar row. The form has 198 body annuli, 22 caudal annuli, a clearly marked autotomy annulus that falls on the seventh postcloacal annulus, 21 to 22 dorsal segments and 22 to 23 ventral segments to a midbody annulus, and four precloacal pores, very slightly marked on the holotype. Tail base depressed; behind the autotomy annulus it becomes compressed. Tail tip conical. On the anterior third of the body dorsal pigmentation is light brown; posteriorly it becomes dark brown. On the ventral side, it is very light, but the segments are slightly pigmented, with the pigment more concentrated on the anterior part of the scale. (Montero et al. 1997)


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Comment 
EtymologyNamed after the initials of Carl Gans. See Adler et al. 2010 for obituaries. 
References
  • Adler, K. 2010. Carl Gans (1923–2009) and the Integrative Biology of Reptiles. Herpetological Review 41 (2): 142-150 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Costa HC, Welton LJ, Hallermann J 2018. An updated diagnosis of the rare Amphisbaena slateri Boulenger, 1907, based on additional specimens (Squamata, Amphisbaenia, Amphisbaenidae). Evolutionary Systematics 2(2): 125-135 - get paper here
  • Dirksen, L. & De la Riva, I. 1999. The lizards and amphisbaenians of Bolivia (Reptilia, Squamata): checklist, localities, and bibliography. Graellsia 55: 199-215 - get paper here
  • Gans, C. 2005. CHECKLIST AND BIBLIOGRAPHY OF THE AMPHISBAENIA OF THE WORLD. Bull. Am. Mus. Nat. Hist. 289: 1-130 - get paper here
  • Jansen, M. & Köhler, G. 2010. Reptilia, Squamata, Amphisbaenidae, Amphisbaena cegei Montero, 1997, and Reptilia, Squamata, Teiidae, Tupinambis rufescens (Günther, 1871): Vertical range extension. Check List 6 (4): 503-504 - get paper here
  • Montero, Ricardo 2001. Amphisbaena cegei Montero, Fernández, and González. Catalogue of American Amphibians and Reptiles (726): 1-3 - get paper here
  • Montero,R. Sáfadez,I.F. & Álvarez,L.G. 1997. A new species of Amphisbaena from Bolivia. Journal of Herpetology 31 (2): 218-220 - get paper here
  • Vanzolini, P.E. 2002. AN AID TO THE IDENTIFICATION OF THE SOUTH AMERICAN SPECIES OF AMPHISBAENA (SQUAMATA, AMPHISBAENIDAE). Pap. Avul. Zool., Sao Paulo 42(15):351-362 - get paper here
 
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