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Cnemidophorus senectus UGUETO, HARVEY & RIVAS, 2010

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common Names 
SynonymCnemidophorus senectus UGUETO, HARVEY & RIVAS 2010
Cnemidophorus lemniscatus — MEEK 1910: 417.
Cnemidophorus nigricolor (in part) — MEEK 1910: 417
Cnemidophorus lemniscatus lemniscatus — HUMMELINCK 1940: 83
Cnemidophorus lemniscatus lemniscatus — MARCUZZI 1950: 247
Cnemidophorus lemniscatus lemniscatus — MARCUZZI 1954: 28
Cnemidophorus lemniscatus lemniscatus — ROZE 1964: 238
Cnemidophorus senectus — HARVEY et al. 2012 

Type locality: Porlamar (10° 57’ 20’’ N, 63° 51’ 7’’ W), Isla de Margarita, Estado Nueva Esparta, Venezuela.  
Reproductionoviparous (manual imputation, fide Zimin et al. 2022) 
TypesHolotype: MBUCV 327, adult male, collected March 1948 by Luis Duque. 
DiagnosisDiagnosis: A species of the Cnemidophorus lemniscatus species complex distinguished from all congeners by the following combination of characters: (1) maximum SVL in males 81 mm; (2) nostril usually slightly anterior to nasal suture; (3) frontonasal subrhomboidal hexagonal or octagonal, sutures with nasals semicircular or in an obtuse angle; (4) first supraciliary usually in contact with prefrontal; (5) 8–14 (total of both sides) scales of circumorbital semicircles extending to posterior or middle of third supraocular; (6) 31–57 (total of both sides) scales, usually in a single row between supraoculars and supraciliaries; (7) 9–13 enlarged mesoptychials; (8) 29–33 ventrals; (9) bisexual (gonochoristic; both sexes exist); (10) enlarged scales on upper arm extending almost to shoulder; (11) males with one anal spur on each side of body (usually narrow and elongated, extending close to the body); (12) 1–3 (usually 2) small scales between anal spurs and preanal shield; (13) vertebral stripe single, 10–20 scales between paravertebral light stripes; (14) adult males in preservative with 15–22 pale spots on flanks between axilla and inguinal region; (15) females without flank spots but a continuous lower lateral light stripe; (16) adult males in life with pale grayish head and arms and green body; (17) juveniles with eight or nine light stripes, never broken. 
CommentGroup: member of the lemniscatus group, see C. lemniscatus for details. 
EtymologyThe specific epithet, senectus, is a Latin adjective meaning ‘‘old age’’ or ‘‘gray hairs.’’ It alludes to the characteristic pale grayish coloration of the head exhibited by adult males of this species. 
  • HARVEY, MICHAEL B.; GABRIEL N. UGUETO & RONALD L. GUTBERLET, Jr. 2012. Review of Teiid Morphology with a Revised Taxonomy and Phylogeny of the Teiidae (Lepidosauria: Squamata). Zootaxa 3459: 1–156 - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Ugueto, G.N. & Rivas, G.A. 2010. Amphibians and Reptiles of Margarita, Coche and Cubagua. Frankfurt Contributions to Natural History, Chimaira, Frankfurt am Main, 350 pp
  • Ugueto, Gabriel N. and Michael B. Harvey 2010. Southern Caribbean Cnemidophorus (Squamata: Teiidae): Description of New Species and Taxonomic Status of C. murinus ruthveni Burt. Herpetological Monographs 24 (1): 111-148 - get paper here
  • Ugueto, Gabriel N.; Michael B. Harvey, and Gilson A. Rivas 2010. TWO NEW SPECIES OF CNEMIDOPHORUS (SQUAMATA: TEIIDAE) FROM ISLANDS OF THE NORTHEASTERN COAST OF VENEZUELA. Herpetological Monographs 23 (1): 123-153 [2009] - get paper here
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
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