Glacidorbis costatus Ponder & Avern, 2000
Taxonomy & Nomenclature
The original scientific desription (Ponder & Avern, 2000) simply states that the species is probably recently extinct. It's extinction probably occured in the early part of last century (i.e. c.1900-1930) as the result of the drainage of its swamp habitat.
Pulbeena Swamp, NW Tasmania, Australia
Biology & Ecology
Original scientific description:
Ponder, W. F. and Avern, G.J. (2000). The Glacidorbidae (Mollusca: Gastropoda: Heterobranchia) of Australia. Records of the Australian Museum 52(3): 307-353.
Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.
Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.