Australian Biological Resources Study

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Subgenus Echinochalina (Echinochalina) Thiele, 1903

Distribution

States

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


Extra Distribution Information

Indo-west Pacific, SW Africa and Caribbean Sea.


IBRA and IMCRA regions (map not available)

IMCRA

Northern Shelf Province (25), Northwest Shelf Province (27), Spencer Gulf Shelf Province (33), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Tasmanian Shelf Province (36), 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

Thickly enrusting, massive, lobate, bulbous, clavulate, branching, clathrous, honeycomb-reticulate, and digitate growth forms; ectosomal skeleton, interstitial skeleton and spongin fibres cored by smooth auxiliary megascleres (subtylostyles, tornostyles or quasi-stongyles); fibres echinated by smooth or spined principal styles; ectosomal skeleton with single or tracts of auxiliary megascleres tangential or paratangential to the surface; choanosomal architecture reticulate with differentiated multispicular primary and paucispicular secondary tracts composed of auxiliary megascleres; microscleres if present palmate isochelae or toxas.

 

ID Keys

See Family Microcionidae 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 19-Apr-2011 MODIFIED
29-Mar-2018 13-Apr-2011 MODIFIED
12-Feb-2010 (import)