Print Fact Sheet

Glacidorbis isolatus Ponder & Avern, 2000

Diagnostic features

Strong dorsal and ventral keels; otherwise smooth except for growth lines.

Classification

Glacidorbis isolatus Ponder & Avern, 2000

Class Gastropoda

Subclass Heterobranchia

Superfamily Glacidorboidea

Family Glacidorbidae

Genus Glacidorbis Iredale, 1943

Original name: Glacidorbis isolatus 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: Swamp southeast of Munro Hut, Kerripit River tributary, Barrington Tops, New South Wales.

Biology and ecology

This species occurs in small streams, springs and swamps, and amongst moss and roots of water plants, in the Great Dividing Range of north-eastern New South Wales.

Additional information on the biology and ecology of members of this family can be found in Fauna of Australia, vol. 5B, p. 1075-1076 and in Ponder and Avern (2000).

Distribution

North-eastern NSW.

Notes

Glacidorbis isolatus only occurs in north-eastern New South Wales - it is the only keeled species known from that state.

Further reading

Ponder, W. F. (1986b). Glacidorbidae (Glacidorbacea: Basommatophora), a new family and superfamily of operculate freshwater gastropods. Zoological Journal of the Linnean Society 87: 53-83.

Ponder, W. F. & Avern, G. J. (2000). The Glacidorbidae (Mollusca: Gastropoda: Heterobranchia) of Australia. Records of the Australian Museum 52: 307-353.