Glacidorbis is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Glacidorbidae.
This genus has proved to be somewhat enigmatic in terms of where it belongs within the taxonomy of the gastropods. It was previously thought to belong in the family Hydrobiidae or even in the Basommatophora.
Species Species within the genus Glacidorbis include: Glacidorbis atrophus Ponder & Avern, 2000 Glacidorbis bicarinatus Ponder & Avern, 2000 Glacidorbis catomus Ponder & Avern, 2000 Glacidorbis circulus Ponder & Avern, 2000 Glacidorbis costatus Ponder & Avern, 2000 Glacidorbis decoratus Ponder & Avern, 2000 Glacidorbis hedleyi Iredale, 1943 — the type species Glacidorbis isolatus Ponder & Avern, 2000 Glacidorbis occidentalis Bunn & Stoddart, 1983 Glacidorbis otwayensis Ponder & Avern, 2000 Glacidorbis rusticus Ponder & Avern, 2000 Glacidorbis tasmanicus Ponder & Avern, 2000 Glacidorbis troglodytes Ponder & Avern, 2000
Transferred to other taxa: Glacidorbis pawpela Smith, 1979 is a synonym for Benthodorbis pawpela Glacidorbis pedderi (Smith, 1973) is a synonym for Striadorbis pedderi Glacidorbis magallanicus Meier-Brook et Smith, 1976 is a synonym for Gondwanorbis magallanicus (Meier-Brook et Smith, 1976)
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