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Geomyersia glabra GREER & PARKER, 1968

IUCN Red List - Geomyersia glabra - Near Threatened, NT

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Higher TaxaScincidae, Eugongylinae (Eugongylini), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Greer's Island Skink 
SynonymGeomyersia glabra GREER & PARKER 1968
Geomyersia glabra — GREER 1974: 21
Geomyersia glabla — AUSTIN 1999: 315 (in error) 
DistributionSolomon Islands (Nggela Island, Bougainville)

Type locality: Mutahi, Bougainville, Papua New Guinea.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: MCZ R-93714 
DiagnosisDiagnosis (genus): The genus is similar to an assemblage of lygosomine skinks inhabiting the Australian Region and subsaharan Africa. This assemblage may be characterized by the following suite of skull characters: palatal rami of pterygoids somewhat expanded and deeply emarginated posteriori) and separated mediall) bv medioposterior processes from the palatines, which project into the interpterygoid vacuity (beta palatal pattern, see p. 10 and Figure 4); 11-15 teeth on the premaxillae; no postorbital bone; Supratemporal fenestra absent or minute; and Meckel's groove obliterated bv the overlapping and fusion of the dentary. I he genus Geomyersia may be distinguished from all other taxa in this assemblage (see p. II) by its depressed body form, the complete absence of prefrontal scales, and the presence of a single median scale between the single pair of nuchal scales. All other taxa in the assemblage possess well-defined prefrontals and lack an "internuchal" scale. No other skink, in fact, is known to have such an internuchal scale as a normal feature (Figure 1; from Greer & Parker 1968).

Alternative (shorter) genus diagnosis: Greer 1974: 26. 
CommentType Species: Geomyersia glabra is the type species of the genus Geomyersia GREER & PARKER 1968 (fide GREER 1974). 
  • 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
  • Austin,C.C. 1999. Colonization, isolation and speciation of lizards on Pacific islands: a molecular genetic perspective [in Chinese]. Aquabiology 21 (4): 313-318 - get paper here
  • Greer A E 1982. A new species of Geomyersia (Scincidae) from the Admirality Islands, with a summary of the genus. Journal of Herpetology 16 (1): 61-66 - 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
  • Greer,A.E. & Parker, F. 1968. Geomyersia glabra, a new genus and species of scincid lizard from Bougainville, Solomon Islands with comments on the relationship of some lygosomine genera. Breviora (302): 1-17 - 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
  • 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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