Austropeplea subaquatilis is a species of air-breathing freshwater snail in the family Lymnaeidae.
Description The length of the shell attains 8.9 mm, its diameter 2.5 mm.
(Original description) The shell is thin and fragile, possessing a shining, horn-colored appearance. Its shape is ovate and subventricose, consisting of four whorls that are longitudinally, yet faintly, wrinkled.
The spire is short and pointed, while the suture is distinctly impressed into the surface. The aperture is large and ovate, extending to exactly half the total length of the shell. Finally, the columellar fold is thin, colored an opaque white, and is visibly reflected.
Distribution This species is endemic to Australia and occurs on South Australia and Victoria.
References
Cotton, B. C. & Godfrey, F. K. (1938). A systematic list of the gastropoda the marine, freshwater and land univalve mollusca of south and central Australia. Adelaide: Malacological Society of South Australia. 44 pp. Chen, Z., Sukee, T., Koehler, A.V., Webster, B.L., Gasser, R.B., Ponder, W.F. & Young, N.D. 2025. Mitogenome and nuclear rRNA gene cluster of Austropeplea subaquatilis (Tate, 1880) from South Australia, with molecular and morphological comparison of A. cf. brazieri (Smith, 1882) from Victoria (Gastropoda, Hygrophila, Lymnaeidae). ZooKeys 1255: 41-62
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