Species Semicassis royana (Iredale, 1914)

Museums

Regional Maps

• Cassidea royana Iredale, T. 1914. Description of a new species of Cassidea. Proceedings of the Malacological Society of London 11: 179-180, 1 text fig. [180].

  Type data:

   Holotype AM C.63956, Sunday Island, Kermadec Group.
• Xenophalium hedleyi Iredale, T. 1927. A review of Australian helmet shells (Family Cassididae - Phylum Mollusca). Records of the Australian Museum 15: 321-354 [333, pl. 31, figs 4-5].

  Type data:

   Holotype AM C.53265 dry, 5 mls off Kiama, New South Wales, Australia [34°40'1.2"S, 151°4'1.2"E].
• Xenophalium ericanum Powell, A.W.B. 1928. The Recent and Tertiary Cassids of New Zealand and a study in hybridisation. Transactions and Proceedings of the New Zealand Institute 59: 629-642, pls 674-676 [639, pl. 75, fig. 29].

  Type data:

   Holotype AMNZ, 25 fathoms off Berghans Head, 8 miles NE of Mangonui, NE New Zealand.

 

Generic Combinations

• Semicassis (Semicassis) royana (Iredale, 1914). —
  Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp. [234]
• Phalium pyrum royanum (Iredale, 1914). —
  Abbott, R.T. 1968. The helmet shells of the world (Cassidae). Part 1. Indo-Pacific Mollusca 2(9): 7-201 [173]

 

Distribution

States

New South Wales

Extra Distribution Information

Kermadec Islands, New Zealand.

IBRA and IMCRA regions

IMCRA

Southeast Shelf Transition (37), Central Eastern Shelf Province (38), Central Eastern Shelf Transition (39)

Ecological Descriptors

Continental shelf, continental slope, marine, subtidal.

Extra Ecological Information

In 18 to 270 m

 

General References

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. [61, pl. 22, figs 72-72a]

Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp. [234]

 

Common Name References

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. [117, fig. 1] (Hedley's Helmet)

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
01-Jun-2021	TONNOIDEA	10-Jul-2012	MODIFIED	Mr Des Beechey (AM) Ms Anouk Mututantri (AM)
		08-Mar-2012	MODIFIED