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Amphisbaena vanzolinii GANS, 1963

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Vanzolini's Worm Lizard
Portuguese: Cobra-de-Duas-Cabeças, Cobra-Cega 
SynonymAmphisbaena vanzolinii GANS 1963
Amphisbaena vanzolinii — GONZALEZ-SPONGA & GANS 1971
Amphisbaena vanzolinii— HOOGMOED & AVILA-PIRES 1991
Amphisbaena hugoi VANZOLINI 1989 (fide HOOGMOED & MOTT 2003)
Amphisbaena hugoi — VANZOLINI 2002
Amphisbaena vanzolinii — GANS 2005: 20
Amphisbaena vanzolinii — MORATO et al. 2014: 63 
DistributionGuyana (Rupununi District), Suriname (Sipaliwini), N Brazil (Amazonas, Pará)

hugoi: Brazil (Amazonas, from the area of Balbina, northeast of Manaus).

Type locality: Guyana; Marudi (02°05’N, 59°00’W).  
Reproductionoviparous 
TypesHolotype: AMNH 60975; paratype: AMNH 60778
Holotype: MZUSP 68644 [hugoi] 
DiagnosisDIAGNOSIS: A form of Amphisbaena without major fusions of head shields; with the nasals the largest segments of the head and divided from the frontals by a peculiar V-shaped suture; without enlarged malars; with two supralabials and one and a halfinfralabials. The form has 225 to 228 body annuli; apparently more than 15 caudal annuli (the tail is broken in both types); no caudal autotomy constriction; 12 to 13 dorsal and 16 to 17 ventral segments to a midbody annulus; and four round precloacal pores. The color of preserved specimens is a uniform dark brown dorsally, fading to a lighter ventral coloring. The tendency toward darkening of the rectangular segmental centers is only faintly apparent under the microscope (Gans 1963: 13).


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CommentDistribution: map in HOOGMOED & AVILA-PIRES 1991. 
EtymologyThe specific name is a homage to Dr. Paulo Emílio Vanzolini (1924-2013), one of the most distinguished Brazilian zoologists. About Vanzolini see Heyer (2004), Bastos & Sa 2011, and Dirksen 2013. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Cole, Charles J.; Carol R. Townsend, Robert P. Reynolds, Ross D. MacCulloch, and Amy Lathrop 2013. Amphibians and reptiles of Guyana, South America: illustrated keys, annotated species accounts, and a biogeographic synopsis. Proceedings of the Biological Society of Washington 125 (4): 317-578; plates: 580-620 - get paper here
  • Dirksen, Lutz 2013. Paulo Emilio Vanzolini. Ein Herpetologe aus Leidenschaft. Terraria-Elaphe 2013 (5): 52-54 - get paper here
  • Gans, C. 1963. Notes on amphisbaenids (Amphisbaenia, Reptilia). 8. A redescription of Amphisbaena stejnegeri and the description of a new species of Amphisbaena from British Guiana. American Museum Novitates (2128): 1-18. - 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
  • Gonzales Sponga, M.A. & Gans C. 1971. Amphisbaena gracilis Strauch rediscovered (Amphisbaena: Reptilia). Copeia 1971 (4): 589-595 - get paper here
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • Heyer, W.R. 2004. Paulo Emílio Vanzolini Copeia 2004 (1): 184-189. - get paper here
  • Hoogmoed M.S.; de Avila-Pires T C S 1991. A new species of small Amphisbaena (Reptilia: Amphisbaenia: Amphisbaenidae) from western Amazonian Brazil. Boletim do Museu Paraense Emilio Goeldi SERIE ZOOLOGIA 7 (1): 77-94
  • Hoogmoed, M. S.; Mott, T. 2003. On the identity of Amphisbaena hugoi Vanzolini, 1990 (Reptilia: Squamata: Amphisbaenidae). Zoologische Mededelingen 77 (15/36): 455-458 - get paper here
  • Hoogmoed, Marinus S.; Roberta R. Pinto, Wáldima Alves da Rocha, and Emiliane G. Pereira 2009. A NEW SPECIES OF MESOBAENA MERTENS, 1925 (SQUAMATA: AMPHISBAENIDAE) FROM BRAZILIAN GUIANA, WITH A KEY TO THE AMPHISBAENIDAE OF THE GUIANAN REGION. Herpetologica 65 (4): 436 - get paper here
  • Magnusson, W.E. 2025. Geographic distribution: Amphisbaena vanzolini (Vanzolini's Worm Lizard). Brazil: Amazonas: Municipality of Manaus. Herpetological Review 55 (2): 218. [2024]
  • MENDES-PINTO, TELÊMACO JASON; Mestrando, BERNHARD, RAFAEL, VOGT, RICHARD; PEDRETT, RONNEZZA CÉLLIA LOBATO CAMPOS;GARCIA, RAUBER SANTOS 2011. A COLLECTION OF AMPHIBIANS AND REPTILES OF THE NATIONAL INSTITUTE OF RESEARCH OF THE AMAZON. Rev. Colombiana cienc. Anim. 3(2): 238 - get paper here
  • Morato, S.A.A.; Calixto, P.O.; Mendes, L.R.; Gomes, R.; Galatti, U.; Trein, F.L.; Oliveira, F.S.; Ferreira, G.N. 2014. Guia fotográfico de identificação da herpetofauna da Floresta Nacional de Saracá-Taquera, Estado do Pará. Curitiba: STCP Engenharia de Projetos Ltda.; Porto Trombetas: MRN – Mineração Rio do Norte S.A.; 213 p. - get paper here
  • Morato, Sérgio Augusto Abrahão; Guilherme Nunes Ferreira; Michela Rossane Cavilha Scupino (eds.) 2018. Herpetofauna da Amazônia Central: Estudos na FLONA de Saracá-Taquera. Curitiba, Pr: STCP Engenharia de Projetos Ltda.; Porto Trombetas, Pa: MRN – Mineração Rio do Norte S.A., 2018.<br />210p. - get paper here
  • Vanzolini P E 1989. A new species of Amphisbaena from the State of Amazonas, Brasil (Reptilia, Amphisbaenia, Amphisbaenidae). MEMORIAS DO INSTITUTO OSWALDO CRUZ RIO DE JANEIRO 84 (Suppl. 4): 525-528 - 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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