Australian Biological Resources Study

Australian Faunal Directory


Regional Maps

Genus Acarnus Gray, 1867




Northern Territory, Queensland, Victoria

Extra Distribution Information

Amphi-Atlantic, Mediterranean Sea, Red Sea, Indian Ocean, Indo-Malayan region, Japan, central and E Pacific Ocean and S Africa.

IBRA and IMCRA regions (map not available)


Timor Transition (1), Northern Shelf Province (25), Northwest Shelf Transition (26), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Southeast Shelf Transition (37), Central Eastern Shelf Transition (39), Northeast Shelf Province (40), Northeast Shelf Transition (41)

Distribution References


Non-fistulose, encrusting to massive growth forms; ectosomal tylotes with microspined ends, forming tangential or paratangential tracts (not brushes); choanosomal skeleton isodictyal, isotropic or anisotropic reticulate, occasionally plumo-reticulate or plumose or hymedesmioid in encrusting species; skeletal tracts cored by smooth styles, echinated by 1 or 2 (exceptionally 3) categories of cladotylotes, echinating acanthostyles present or absent; microscleres are palmate isochelae and toxas of several morphologies.


ID Keys

See Family Acarnidae Diagnosis.


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)
29-Mar-2018 15-Dec-2011 MOVED
29-Mar-2018 13-Apr-2011 MODIFIED
12-Feb-2010 (import)