Amphisbaena pericensis NOBLE, 1921

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Higher Taxa	Amphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Subspecies
Common Names	E: Perico Worm Lizard
Synonym	Amphisbaena pericensis NOBLE 1921 Amphisbaena pericensis — GANS 1963 Amphisbaena pericensis — HOOGMOED & AVILA-PIRES 1991: 89 Amphisbaena pericensis — GANS 2005: 18
Distribution	Peru (from Perico to Bellavista) Type locality: Peru: Cajamarca: Perico (05°21’S, 78°47’W).
Reproduction	oviparous
Types	Holotype: MCZ 14631; Paratypes: AMNH 28501; CAS 54614; CNHM = FMNH 16106, 16107, 73371; DZ 1059; MCZ 14764, 14765, 14767, 14768, 14770, 14772–14775; MCZ 14789, 14790 (Bellavista); SMF 11826, 11887, 11888; INHS (= UIMNH) 41494; UMMZ 55676A, 55676B; USNM 75970; ZMB 29659 (Perico); USNM 59926 (Chinchipe River); USNM 60057, 60058 (Maraqon River).
Diagnosis	DIAGNOSIS: A form of Amphisbaena without major fusions of head shields; with pairs of very large first and slightly reduced second parietals; with the head relatively blunt and not particularly set off from the neck; with a cylindrical blunt-tipped tail; with a faint autotomy constriction at the sixth to eighth caudal annulus where autotomy takes place. The form has 198 to 218 body annuli; generally, 18 or 19, occasionally 16 or 17 caudal annuli: 12 to 16 (generally 14) dorsal and 16 to 20 (generally 18) ventral segments to a midbody annulus; and 4 small round precloacal pores. The color of preserved specimens is a uniform dark brown, much darker dorsally than ventrally, lightened on the tip of tail and snout and produced by a dense pig- mentation of the segments (contrasted by lighter intersegmental sutures) (Gans 1963).
Comment
Etymology	Named after the type locality.
References	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 Emslie, Scott Gordon 1972. Corrigenda; Correction of the Locality of Amphisbaena pericensis Noble. Journal of Herpetology 6 (3-4): 244-245 - get paper here Gans, C. 1963. Notes on amphisbaenids (Amphisbaenia, Reptilia). 10. Redescription and redefinition of Amphisbaena pericensis Noble form the mountains of northwestern Peru. Breviora (189): 1-15 - 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 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 KOCH, CLAUDIA; PABLO J. VENEGAS, ROY SANTA CRUZ, WOLFGANG BÖHME 2018. Annotated checklist and key to the species of amphibians and reptiles inhabiting the northern Peruvian dry forest along the Andean valley of the Marañón River and its tributaries. Zootaxa 4385 (1): 001–101 - get paper here Noble, G.K. 1921. Two new lizards from northwestern Peru. Ann New York Acad. Sci. 29: 141-143 [1920] - 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 Vanzolini,P.E. 1991. Two new small species of Amphisbaena from the fossil dune field of the middle Rio São Francisco, State of Bahia, Brasil (Reptilia, Amphisbaenia). Pap. Avul. Univ. Sao Paulo. 37 (17): 259-276
External links	IUCN Red List Google images

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