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Nannoscincus slevini (LOVERIDGE, 1941)

IUCN Red List - Nannoscincus slevini - Endangered, EN

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Higher TaxaScincidae, Eugongylinae (Eugongylini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Slevin's Elf Skink 
SynonymLygosoma slevini LOVERIDGE 1941: 193
Anotis slevini — GREER 1974
Nannoscincus sleveni [sic] — SADLIER 1987: 61
Nannoscincus slevini — BAUER & VINDUM 1990
Nannoscincus slevini — ADLER, AUSTIN & DUDLEY 1995
Nannoscincus slevini — BAUER & SADLIER 2000
Nannoscincus slevini — SADLIER et al. 2014 
DistributionNew Caledonia

Type locality: Mont Canala  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: MCZ 9295 
DiagnosisDESCRIPTION: Size: Maximum body length 43 mm, body elongate, limbs short with four digits on front feet and five on rear, tail short and stout, approximately equal to body length.
Scalation: Body scales moderately large, weakly striated, in 22-26 rows around the body and 57-64 paravertebral scale rows. Frontoparietals not fused, nasals moderately separated, two loreal scales, six lower labials, lower eyelid without a semi-transparent disc (Fig. 33A-B). 9-14lameUae beneath fourth toe.
Color: Mid brown above with several dark elongate blotches on the nape, contrasting with a darker brown (uppermost) at the sides. Snout with a dark mid-rostral streak. Ventral surface light brown.
Variation: There is no obvious sexual dimorphism or regional variation in coloration.
Comparisons: Nannoscincus slevini is very similar to N. gracilis in overall body proportions and coloration but can readily be distinguished from this and all other members of the genus in having only four digits on the forelimbs. N slevini can also be confused with the eared members of the N mariei group from which it may be distinguished by the presence of paired frontoparietal scales and two loreal scales (Bauer et al. 2000: 204). 
CommentUncommon and restricted to a few localities.

Distribution: see map in SADLIER et al. 2014: 56. 
EtymologyNamed after Joseph Richard Slevin (1881-1957), curator of Herpetology at the California Academy of Sciences 1928-1957. 
References
  • Adler,G.H.; Austin,C.C. & Dudley,R. 1995. Dispersal and speciation of skinks among archipelagos in the tropical Pacific Ocean. Evolutionary Ecology 9: 529-541 - get paper here
  • Bauer, A. M. & SADLIER, R. A. 2000. The herpetofauna of New Caledonia. Contributions to Herpetology, 17; Society for Study Amphibians and Reptiles, Ithaca, New York.
  • Bauer, A.M. & Sadlier,R.A. 1993. Systematics, biogeography and conservation of the lizards of New Caledonia. Biodiv. Lett. 1: 107-122 - get paper here
  • Bauer, Aaron M.;Vindum, Jens V. 1990. A checklist and key to the herpetofauna of New Caledonia, with remarks on biogeography. Proc. Cal. Acad. Sci. 47 (2): 17-45 - 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
  • Greer, A.E. 1974. The generic relationships of the scincid lizard genus Leiolopisma and its relatives. Australian Journal of Zoology 31: 1-67. - get paper here
  • Loveridge, A. 1941. An undescribed skink (Lygosoma) from New Caledonia. Proc. Biol. Soc. Washington 54: 193-194 - get paper here
  • Sadlier R A 1987. A review of the scincid lizards of New Caledonia. Rec. Austral. Mus. 39(1) 1987: 1-66 [1986] - 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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