Sphenomorphus microtympanum GREER, 1973

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Higher Taxa	Scincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Subspecies
Common Names
Synonym	Sphenomorphus microtympanus GREER 1973 Sphenomorphus microtympanum — GREER & SHEA 2004 Sphenomorphus microtympanum — CHAPPLE et al. 2021
Distribution	Papua New Guinea Type locality: “Morobe district of the Territory of New Guinea at Garaina [...] at an elevation of approximately 2300 feet”
Reproduction
Types	Holotype: AMNH 104076
Diagnosis	Diagnosis: S. microtympanus is a member of the fasciatus species group of Sphenomorphus and in that it lacks an ectopterygoid process to the palatine running along the outer edge of the palatal ramus of the pterygoid it is most similar to the fasciatus subgroup of that species group (Greer and Parker, 1967). It differs from all members of its species group, how ever, in having the tympanum both much reduced in size and decidedly more opaque (thickened?) (Greer 1973). Additional details (1776 characters) are available for collaborators and contributors. Please contact us for details.
Comment	The name calls attention to the relatively small size of the tympanic membrane of the species.
Etymology	The name microtympanus calls attention to the relatively small size of the tympanic membrane of the species.
References	Chapple, David G; Roll, Uri; Böhm, Monika; Aguilar, Rocío Amey, Andrew P Austin, Chris C Baling, Marleen Barley, Anthony J Bates, Michael F Bauer, Aaron M Blackburn, Daniel G Bowles, Phil Brown, Rafe M Chandramouli, S R Chirio, Laurent Cogger, Hal Co 2021. Conservation Status of the World’s Skinks (Scincidae): Taxonomic and Geographic Patterns in Extinction Risk. Biological Conservation 257: 109101 - get paper here Greer, A.E. 1973. Two new lygosomine skinks from New Guinea with comments on the loss of the external ear in lygosomines and observations on previously described species. Breviora (406): 1-25 - get paper here Greer, A.E. & Shea, G. 2004. A new character within the taxonomically difficult Sphenomorphus group of Lygosomine skinks, with a description of a new species from New Guinea. Journal of Herpetology 38 (1): 79-87 - get paper here
External links	IUCN Red List Google images

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