Species Omegapilla australis (Angas, 1864)

Museums

Regional Maps

• Vertigo australis Angas, G.F. 1864. On the land-shells of South Australia. Proceedings of the Zoological Society of London 1863: 519-529 [20 Apr. 1864] [522].

  Type data:

   Status unknown, whereabouts unknown presumed lost, Rapid Bay, SA.
• Pupa nelsoni Cox, J.C. 1864. Catalogue of Australian Land Shells. Sydney : John Alex Engel 44 pp. [29].

  Type data:

   Syntype(s) AM C238 6 specimens, Nelson's Bay, Sydney, NSW.
• Pupa lincolnensis Cox, J.C. 1867. Characters of four new species of Australian land shell. Proceedings of the Zoological Society of London 1867: 39-40 [25 May 1867] [39].

  Type data:

   Status unknown, whereabouts unknown presumed lost, Port Lincoln, SA.
• Pupa tasmanica Johnston, R.M. 1883. Note and description of the first discovered representative of the genus Pupa in Tasmania. Papers and Proceedings of the Royal Society of Tasmania 1882: 144-145 [144].

  Type data:

   Status unknown, whereabouts unknown presumed lost, TAS.
• Omegapilla occidentalis Iredale, T. 1939. A review of the land Mollusca of Western Australia. Records of the Western Australian Museum 2(1): 1-88 [published 1 Aug 1939; same text re-published 21 Aug.1939 in Journal of the Royal Society of Western Australia 25:1–88] [12].

  Type data:

   Syntype(s) AM C63664 2 specimens, Rottnest Is., WA.

 

Taxonomic Decision for Synonymy

• Solem, A. 1986. Pupilloid land snails from the south and mid-west coasts of Australia. Journal of the Malacological Society of Australia 7: 95-124 [105]

 

Generic Combinations

• Pupilla (Gibbulinopsis) australis (Angas, 1864). —
  Solem, A. 1986. Pupilloid land snails from the south and mid-west coasts of Australia. Journal of the Malacological Society of Australia 7: 95-124 [105]
• Omegapilla australis (Angas, 1864). —
  Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [96, 98, 567]

 

Introduction

Omegapilla australis is a wide ranging species but most abundant in southern Australia. It can vary greatly in adult shell size and can be very abundant in some locations.

 

Distribution

States

New South Wales, Queensland, South Australia, Tasmania, Victoria, Western Australia

Extra Distribution Information

SE Tasmania to NE NSW. One record from near Calliope, SE Qld. Elsewhere western Victoria, South Australia to to SW WA

IBRA and IMCRA regions

IBRA

NSW, Qld, SA, Tas, Vic, WA: Brigalow Belt South (BBS), Ben Lomond (BEL), Esperance Plains (ESP), Eyre Yorke Block (EYB), Hampton (HAM), Jarrah Forest (JF), Murray Darling Depression (MDD), NSW North Coast (NNC), Nullarbor (NUL), Sydney Basin (SB), South East Corner (SEC), Swan Coastal Plain (SWA), Tasmanian South East (TSE)

Distribution References

Ecological Descriptors

Among rocks, litter-dwelling, saxicoline.

Extra Ecological Information

Littoral vegetation on coastal dunes and limestone outcrops; living on grass stems and in litter among rocks

 

Diagnosis

Shell very small, bronze to orange-brown, pupiform, sinistral, smooth; whorls slightly rounded; aperture lunate with three barriers: a large parietal tooth, a small knob-like infrapalatal tooth well inside aperture and a slanted columellar tooth; height 3.5mm.

 

Diagnosis References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [98]

 

General References

Smith, B.J. 1992. Non-Marine Mollusca. In, Houston, W.W.K. (ed.). Zoological Catalogue of Australia. Non-marine Mollusca. Canberra : Australian Government Publishing Service Vol. 8 xii 408 pp. [293-294] (as Pupilla (Gibbulinopsis) australis)

 

Common Name References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [98] (Bronze Pupasnail)

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
24-Jul-2012		24-Jul-2012	MODIFIED
12-Apr-2012		12-Apr-2012	MOVED
27-Jun-2012		12-Apr-2012	MODIFIED
		12-Feb-2010	(import)