Eulamprus tympanum (LÖNNBERG & ANDERSSON, 1915)
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Higher Taxa | Scincidae, Sphenomorphinae, Scincoidea, Sauria, Squamata (lizards) |
Subspecies | Eulamprus tympanum marnieae HUTCHINSON & RAWLINSON 1995 Eulamprus tympanum tympanum (LÖNNBERG & ANDERSSON 1915) |
Common Names | E: Cool-temperate Water-skink, Highland Water Skink |
Synonym | Lygosoma tympanum LÖNNBERG & ANDERSSON 1915 Sphenomorphus tympanum — COGGER 1983: 188 Sphenomorphus tympanum — GREER 1983 Sphenomorphus tympanum — HENLE & OSBORNE 1986 Eulamprus tympanum — COGGER 2000: 789 Eulamprus tympanum — COUPER et al. 2006: 380 Eulamprus tympanum — WILSON & SWAN 2010 Eulamprus tympanum marnieae HUTCHINSON & RAWLINSON 1995 Eulamprus tympanum marnieae — WILSON & SWAN 2013 |
Distribution | Australia (New South Wales, South Australia, Victoria), Tasmania Type locality: ". . . said to have been collected in the neighbourhood of Melbourne. . . ", Vic. (fice COGGER 1983) |
Reproduction | viviparous. Embryos of the actively thermoregulating viviparous skink Eulamprus tympanum are subject to temperature-dependent sex determination (TSD), offering the mother the chance to select the sex of her offspring and a mechanism to help to balance sex ratios in wild populations (Robert & Thompson 2001). |
Types | Holotype: NRM (NHRM) 3094 Holotype: NMV D52921, adult male [marnieae] |
Diagnosis | Diagnosis: A water skink lacking any trace of longitudinal dorsal striped pattern, with a pale anterior margin to the ear opening, usually 42 or fewer midbody scale rows and without transversely oriented dark dorsal markings (Hutchinson & Rawlinson 1995: 192) Diagnosis (marniae): A water skink distinguished from all other members of the E. quoyii species complex by the very small midbody scales (usually in 43 or more rows, versus usually 42 or fewer), the black dorsal markings arranged as short irregular transverse bars, and bold ventral pattern of black longitudinal bars on a bright yellow (in life) background (Hutchinson & Rawlinson 1995: 194) |
Comment | Distribution: see map in Pepper et al. 2018: Fig. 2. Limb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014) Subspecies: Pepper et al. 2018 found no genetic support for the separation of E. t. marnieae although they did not explicitly suggest synonymization. |
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