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Sphenomorphus fragosus GREER & PARKER, 1967

IUCN Red List - Sphenomorphus fragosus - Data Deficient, DD

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymSphenomorphus fragosus GREER & PARKER 1967
Sphenomorphus fragosus — ADLER, AUSTIN & DUDLEY 1995 
DistributionSolomon Islands (Bougainville)

Type locality: “at Lake Loloru (elev. 4300 feet), Bougainville, Solomon Islands”  
Reproduction 
TypesHolotype: MCZ 92265 
DiagnosisDiagnosis: S, fragosus is a member of the variegatus species group (Greer and Parker, 1967), which is characterized by the presence of a large or small supranasal, and/or a double anterior loreal (although some species lack supranasals and have only a single anterior loreal); usually 5 or more supraoculars of which usually 3 or more are in contact with the frontal; digits and limbs well developed and generally overlapping broadly when adpressed to the body; and the absence of transversely enlarged vertebral scales, i.e., the middorsal scales are subequal in size. The variegatus species group includes all the species previously referred to the genera Otosaurus, Parotosaurus and Insulasaurus as well as part of the genus Sphenomorphus. Those species of the variegatus species group with a supranasal and/or double anterior loreal are as follows: amblyplacodes, annectens, anomalopus, celebense, concinnatus, cumingi, curtirostris, cyanolaemus, darlingtoni, granulatus, haasi, jobiense, kinabaluensis, maculicollus, mimikanus, multisquamulatus, murudensis, nigrolabris, sabanus, sarasinorousy simus, stickeli, taylori, totocarinatus, tropidonotus, variegatus, wrighti. Those members of the variegatus species group lacking both a supranasal and double anterior loreal are: aignanus, arborens, boulengeri, dussumieri, florense, formosensis, indicus, kühnei, lineopunctulatus, maculatus, melanochlorus, milnense, misolense, sanctus, striolatus.S. fragosus can be easily distinguished from other species of its species group by means of the small symmetrical scales on the dorsal and lateral surfaces of the snout (Fig. 1). In this more or less symmetrical fragmentation of the scales of the snout, S. fragosus is unique among lygosomine skinks with the exception of the much larger S, taylori, also from Bougainville (for other differ ences between the two species, see Table 1; GREER & PARKER 1967).


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CommentAbundance: this is one of the species called “lost” and “rediscovered” by Lindken et al. 2024. 
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
  • Greer,A.E. & PARKER,F. 1967. A second skink with fragmented head scales from Bougainville, Solomon Islands. Breviora (279): 1-12 - get paper here
  • Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - get paper here
  • McCoy, M. 2006. Reptiles of the Solomon Islands. Pensoft Series Faunistica 57, 212 pp.
  • McCoy, M. 2015. A Field Guide to the Reptiles of the Solomon Islands. Michael McCoy, Kuranda - get paper here
 
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