Shell planorbid-like, planispiral to slightly hyperstrophic, sculptured with close rounded axial ribs and very close, even spiral threads. Rest of shell simple, with convex whorls and close collabral growth lines, less tightly coiled than in other members of family. No distinct umbilical area because of the very shallow, slightly concave base. Interior of shell with shell pores. Operculum circular, multispiral and lacking pustules on external surface.
Tasmodorbis punctatus Ponder & Avern, 2000
Tasmodorbis Ponder & Avern, 2000 (Type species: Tasmodorbis punctatus Ponder and Avern 2000).
Original name: Tasmodorbis punctatus Ponder & Avern, 2000. Ponder, W. F. and. Avern, G. J. (2000). The Glacidorbidae (Mollusca: Gastropoda: (Heterobranchia) of Australia. Records of the Australian Museum 52: 307–353.
Type locality: Wandle River on Murchison Highway, north of Waratah, Tasmania.
In small streams, lakes, springs and swamps, amongst moss, roots of water plants, etc.
North-western and western Tasmania.
Beesley, P. L., Ross, G. J. B. & Wells, A., Eds. (1998). Mollusca: The Southern Synthesis. Parts A & B. Melbourne, CSIRO Publishing.
Ponder, W. F. & Avern, G. J. (2000). The Glacidorbidae (Mollusca: Gastropoda: Heterobranchia) of Australia. Records of the Australian Museum 52: 307-353.
Rumi, A., Gutiérrez Gregoric, D. E., Landoni, N., Cárdenas Mancilla, J., Gordillo, S., Gonzalez, J., & Alvarez, D. (2015). Glacidorbidae (Gastropoda: Heterobranchia) in South America: revision and description of a new genus and three new species from Patagonia. Molluscan Research 35: 143-152.