Australian Biological Resources Study

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Species Semicassis semigranosa (Lamarck, 1822)

Half-grained Helmet

 

Distribution

States

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


Extra Distribution Information

New Zealand


IBRA and IMCRA regions (map not available)

IMCRA

Southwest Shelf Province (31), Great Australian Bight Shelf Transition (32), Spencer Gulf Shelf Province (33), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Tasmanian Shelf Province (36), Southeast Shelf Transition (37)

Ecological Descriptors

Continental shelf, continental slope, intertidal, marine, sand, shallow subtidal, subtidal.

Extra Ecological Information

To 360 m

 

General References

Abbott, R.T. 1968. The helmet shells of the world (Cassidae). Part 1. Indo-Pacific Mollusca 2(9): 7-201 [146, 148]

Allan, J.K. 1950. Australian shells: with related animals living in the sea, in freshwater and on the land. Melbourne : Georgian House xix, 470 pp., 45 pls, 112 text figs. [118, fig. 3]

Beechey, D. 2000. Semicassis semigranosum (Lamarck, 1822). The seashells of New South Wales website. http://seashellsofnsw.org.au/Cassidae/Pages/semicassis_semigranosum.htm (date accessed 10/7/2012)

Cotton, B.C. 1945. Southern Australian Gastropoda. Part 1. Streptoneura. Transactions of the Royal Society of South Australia 69(1): 150-171 [169]

Cotton, B.C. 1954. Family Cassididae. Royal Society of South Australia Malacological Section 4: 4 pp. [4]

Iredale, T. & McMichael, D.F. 1962. A reference list of the marine Mollusca of New South Wales. Memoirs of the Australian Museum 11: 1–109 [56]

Kreipl, K. 1997. Recent Cassidae. Weisbaden : Verlag Christa Hemman 151 pp., pls 1-24. [65, pl. 24, figs 80-80a]

Macpherson, J.H. & Gabriel, C.J. 1962. Marine molluscs of Victoria. Melbourne : Melbourne University Press & National Museum of Victoria 475 pp. [146]

Wells, F.E. & Bryce, C.W. 1986. Seashells of Western Australia. Perth : Western Australian Museum 207 pp. [79]

Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp. [235, pl. 37, figs 10a-b]

Wilson, B.R. & Gillett, K. 1971. Australian shells: illustrating and describing 600 species of marine gastropods found in Australian waters. Sydney : Reed Books 168 pp. [68, pl. 48, fig. 7]

 

Common Name References

Coleman, N. 1975. What Shell is That? Sydney : Lansdowne Press 298 pp. [181] (as Phalium semigranosum (Lamarck, 1822)) (Half-grained Helmet)

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
07-Feb-2024 LITTORINIMORPHA Golikov & Starobogatov, 1975 06-Oct-2023 MODIFIED Dr Mandy Reid (ABRS)
01-Jun-2021 TONNOIDEA 24-Jul-2012 MOVED Mr Des Beechey (AM) Ms Anouk Mututantri (AM)
01-Jun-2021 18-Jul-2012 MODIFIED
08-Mar-2012 MODIFIED