Australian Biological Resources Study

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Genus Geodia Lamarck, 1815

 

Distribution

States

New South Wales, Northern Territory, South Australia, Victoria, Western Australia


IBRA and IMCRA regions (map not available)

IMCRA

Timor Transition (1), Christmas Island Province (23), Northern Shelf Province (25), Northwest Shelf Transition (26), Northwest Shelf Province (27), Central Western Shelf Transition (28), Central Western Shelf Province (29), Spencer Gulf Shelf Province (33), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Southeast Shelf Transition (37), Central Eastern Shelf Province (38), Northwest Province (4), Central Western Transition (5)

Diagnosis

Thickly encrusting, massive, or globular sponges. Surface irregularly hispid. Cortex conspicuous, formed by a crust of sterrasters with a layer of euasters in the outer zone. Cladome of the triaenes located at the cortex. Megascleres (oxeas and triaenes) radially arranged at the peripheral zone of the sponge, oxeas more disorganised in arrangement in the interior. Inhalant and exhalant orifices arranged in clusters under a sieve of the cortex (cribriporal).

 

ID Keys

See Family Geodiidae 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 PORIFERA Grant, 1836 27-Mar-2018 MODIFIED Dr Kathryn Hall
29-Mar-2018 DEMOSPONGIAE Sollas, 1885 16-Sep-2014 MODIFIED ABRS
29-Mar-2018 15-Dec-2011 MOVED
29-Mar-2018 13-Apr-2011 MODIFIED
12-Feb-2010 (import)