Australian Biological Resources Study

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Genus Cinachyra Sollas, 1886

Distribution

States

New South Wales, Queensland, Victoria, Western Australia


Extra Distribution Information

West Indian region, Mediterranean Sea, Red Sea, Indian Ocean, Indo-Malayan region, W Pacific Ocean, New Zealand, Southern Ocean and Antarctic.


IBRA and IMCRA regions (map not available)

IMCRA

Christmas Island Province (23), Northwest Shelf Province (27), Central Western Shelf Transition (28), Central Western Shelf Province (29), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Southeast Shelf Transition (37), Central Eastern Shelf Province (38), Central Eastern Shelf Transition (39), Northeast Shelf Province (40), Northeast Shelf Transition (41)

Distribution References

Diagnosis

Globular sponges with surface covered by numerous porocalices. Full-grown specimens develop an irregular basal mass as wide as the globular upper part, equivalent perhaps to a stalk. Porocalices large and deep, flask-shaped, surrounded by a fringe of long megascleres. In cross section there is a prominent cortex strengthened by special cortical oxeas. Skeleton of the globular part radiate, consisting of bundles of oxeas originating in a central nucleus and spirally curving outwards toward the periphery, where they are mixed with protriaenes. These protrude beyond the layer of cortical oxeas and are the cause of the bristly surface. Megascleres choanosomal large oxeas, cortical small oxeas, protriaenes, and anatriaenes. Microscleres sigmaspires. So far, only a single valid species has been recognised with certainty to belong to this genus, most records of Cinachyra species concern the genus Cinachyrella (cf. below).

 

ID Keys

See Family Tetillidae 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)