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Oligosoma northlandi (WORTHY, 1991)

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Higher TaxaScincidae, Eugongylinae (Eugongylini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymCyclodina northlandi WORTHY 1991: 332
Oligosoma northlandi — CHAPPLE et al. 2009 
DistributionNew Zealand (Northland)

Type locality: Otangaroa Station Cave, Northland, New Zealand.  
Reproduction 
TypesHolotype: WO 332.1, partial skeleton (Waitomo Caves Museum, New Zealand) 
DiagnosisDiagnosis: A large species of Cyclodina, with adults larger than all congeners: femora are 30% longer than those of the largest fossil femora and 50% longer than those in the available recent skeleton of C. alani, the species closest in size; dentary with 33 teeth (or teeth and empty alveoli) (26-29 in C. alani), maxilla with 25 or 26 teeth (23 in C. alani); quadrate widest in dorsal third of height (widest at mid-height in other Cyclodina) with prominent ridge on lateral flange; lower and upper posterior notches on dentary are of equal depth, or lower. notch is shallower (lower notch always shallower in other Cyclodina species). (Worthy 1991) 
CommentConservation: Extinct species known from subfossil remains (late Holocene). 
Etymologynamed after the type locality. 
References
  • Case, T. J., Bolger, D. T., and Richman, A. D. 1992. Reptilian extinctions: The last ten thousand years. In “Conservation Biology'' (P. L. Fledler and S. K . Jain, Eds.), pp. 91-125. Chapman and Hall, New York - get paper here
  • Chapple, David G.; Peter A. Ritchie, Charles H. Daugherty 2009. Origin, diversification, and systematics of the New Zealand skink fauna (Reptilia: Scincidae). Molecular Phylogenetics and Evolution 52 (2): 470-487 - get paper here
  • Day, D. 1981. The Doomsday Book of Animals. A Natural History of Vanished Species. Viking Press, New York
  • Hitchmough, Rodney A.; Geoffrey B. Patterson, and David G. Chapple 2016. Putting a Name to Diversity: Taxonomy of the New Zealand Lizard Fauna. in: Chapple, D.G. (ed). New Zealand Lizards. Springer, pp. 87-108 - get paper here
  • Worthy, T. H. 1991. Fossil skink bones from Northland, New Zealand, and description of a new species of Cyclodina, Scincidae. Journal of the Royal Society of New Zealand 21: 329-348 - get paper here
 
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