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Amphisbaena borelli PERACCA, 1897

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Common Names 
SynonymAmphisbaena borelli PERACCA 1897: 8
Amphisbaena steindachneri borellii — GANS 1964: 397
Leposternon borellii — GALLARDO 1969: 78
Cercolophia borelli — VANZOLINI 1992
Cercolophia borellii — CEI 1993
Cercolophia borelli — DIRKSEN & DE LA RIVA 2000
Amphisbaena borelli — MOTT & VIEITES 2009
Cercolophia borelli — AVILA et al. 2010
Cercolophia borelli — AVILA et al. 2013 
DistributionArgentina (Salta), Bolivia (Santa Cruz, Tarija)

Type locality: ‘‘Caiza (Chaco boliviano)’’.  
TypesSyntypes: MRSN (= MSNTO) R2096; BMNH; MRSN = MZUT (= IMZUT) 2043 (two specimens) (fide GANS 2005) 
DiagnosisDiagnosis: A small to medium sized form of Amphisbaena without major fusions of head shields, though part of the naserostral suture is lost in adults; with enormous prefrontals; with extensive posterior prolongation of frontals and enlargement of the poscoculars. The laterally compressed head is markedly arched, significandy smaller in diameter than the trunk, and set off from this by faint nuchal constriction. The rostral rip projects strongly beyend the lower jaw. The form has 239 to 245 body annuli; 17 t0 19 caudal annuli; the last of which surrounds the base of the vertically keeled caudal tip; possibly an autotomy site at the sixth to eighth caudal annulus; 14 to 16 dorsal and 16 to 20 ventral segments to a midbody annulus; and 4 precloacal pores in interrupted series. Only the lateral sulci are strongly indicated. Specimens have brown dorsal pigmentation, more emphasized in the center of a segment. This drops out by segments ventrally. (Gans 1964: 397) 
EtymologyNamed after Dr. Alfredo Borelli (1858-1943), an ornithologist who worked at Museo Regionale di Scienze Naturali di Torino (19°0-1913). 
  • Avila, L. J.; Martinez, L. E.; Morando, M. 2010. Lista de las lagartijas y anfisbaenas de Argentina: una actualización [en línea]. Ver.1.0. 1 Diciembre 2010 [Checklist of lizards and amphisbaenians of Argentina: An update]. Centro Nacional Patagónico CENPAT-CONICET. Puerto Madryn, Chubut, Argentina. - get paper here
  • AVILA, LUCIANO JAVIER; LORENA ELIZABETH MARTINEZ & MARIANA MORANDO 2013. Checklist of lizards and amphisbaenians of Argentina: an update. Zootaxa 3616 (3): 201–238 - 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
  • Gallardo, José M. 1969. Las especies de saurios (Reptilia) de la Provincia de Santa Fe, Argentina, y consideraciones sobre su ecologia y zoogeografia. Neotropica 15 (47): 73-81
  • Gans, Carl 1964. The South American species of Amphisbaena with a vertically keeled tail (Reptilia, Amphisbaenidae). Senckenbergiana biologica 45 (3/5): 387-416
  • Mott, Tamí; David R. Vieites 2009. Molecular phylogenetics reveals extreme morphological homoplasy in Brazilian worm lizards challenging current taxonomy. Molecular Phylogenetics and Evolution 51 (2): 190-200 - get paper here
  • Peracca, M. G. 1897. Rettili e Anfibi. Viaggio del Dott. Alfredo Borelli nel Chaco boliviano e nella Repubblica Argentina. Bollettino dei Musei di Zoologia ed Anatomia Comparata della R. Università di Torino, 12 (274): 1-19. - get paper here
  • Vanzolini P E 1992. Cercolophia, a new genus for the species of Amphisbaenia with a terminal vertical keel on the tail (Reptilia, Amphisbaenia). Pap. Avul. Zool., Sao Paulo 37 (27): 401-412 - get paper here
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