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Amphisbaena schmidti GANS, 1964

IUCN Red List - Amphisbaena schmidti - Near Threatened, NT

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Common NamesE: Puerto Rican Dusky Wormlizard, Schmidt's Worm Lizard 
SynonymAmphisbaena schmidti GANS 1964: 3
Amphisbaena schmidti — SCHWARTZ & HENDERSON 1991: 561
Amphisbaena schmidti — GANS 2005: 19 
DistributionPuerto Rico

Type locality: Orilla (cuneta) Carretera Cano (P.R. road 113), Municipio de Isabela, Puerto Rico (= about 6 km SE Isabela; corrected by Thomas, 1966c).  
TypesHolotype: MCZ 73115; paratype: ZMUC 
DiagnosisDESCRIPTION: Size moderate (SVL to 240 mm); tail to 26 mm, cylindrical, slightly tapered, rounded terminally; caudal autotomy between 6-8 caudal annuli; head blunted, almost triangular, with deeply constricted neck; parietals enlarged; lateral-most postmalars enlarged; body annuli 192-207, caudal annuli 18-22; dorsal segments 13-16/midbody annulus, ventral segments 16-18/midbody annulus; rows o f postgenials 2; 1 row o f postmalar chin shields; 4-5 (strongly modally 4) precloacal pores; precloacal scales 5-8; postcloacal scales 8-14; nasal suture short, less than one-half prefrontal suture; 1 temporal. Dorsum purplish brown with darker head and tail; venter heavily pigmented but at times pinkish; adults with darkening of rectangular segmental centers; intersegmental raphes always lightened (Schwartz & Henderson 1991: 561).

For a more detailed description see Gans 1964: 3. 
CommentIllustrations: Gans, 1964. 
EtymologyNamed after Karl Patterson Schmidt (1890-1957), American herpetologist (see Davis 1957 and RESETAR & VORIS 1997 for biographical notes). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Davis, D.D. 1959. Karl Patterson Schmidt, 1890-1957. Copeia 1959 (3): 189-192 - get paper here
  • Gans, C. 1964. Amphisbaena schmidti, a third species of the genus from Puerto Rico (Amphisbaena: Reptilia). Breviora (198):1-11 - 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
  • Rosenberg, Herbert I. 1967. Hemipenial morphology of some Amphisbaenids (Amphisbaenia: Reptilia). Copeia 1967 (2): 349-361 - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
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