Australian Biological Resources Study

Australian Faunal Directory


Regional Maps

Species Cirsotrema varicosum (Lamarck, 1822)

Rough Wentletrap, Varicose Ladder Shell



Northern Territory, Queensland, Western Australia

Extra Distribution Information

Indo-west Pacific. Wilson (1993) gives the range of this species as Abrolhos, WA, northwards around northern Australia to southern Queensland. There are not specimens available to support this continuous range in northern WA and NT. Hawaii, Australia, Japan, to Mozambique and Mauritius

IBRA and IMCRA regions (map not available)


Southwest Shelf Transition (30), Northeast Shelf Province (40), Northeast Shelf Transition (41)

Ecological Descriptors


Extra Ecological Information

20–50 m


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 12-Sep-2023 MODIFIED Dr Mandy Reid (ABRS)
01-Jun-2021 EPITONIOIDEA 02-Sep-2015 ADDED Mr Des Beechey (AM) Ms Anouk Mututantri (AM) Lyn Randall
01-Jun-2021 02-Jul-2012 MOVED
01-Jun-2021 02-Mar-2012 MODIFIED
13-Feb-2012 MODIFIED