Australian Biological Resources Study

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Genus Monanchora Carter, 1883

 

Distribution

States

Queensland, Western Australia


Extra Distribution Information

West Indian region, Indo-Malayan region and N Pacific Ocean.


IBRA and IMCRA regions (map not available)

IMCRA

Central Western Shelf Transition (28), Central Western Shelf Province (29), Northwest Province (4), Northeast Shelf Province (40), Northeast Shelf Transition (41), Central Western Transition (5)

Distribution References

Diagnosis

Encrusting to lobate or ramose. Surface smooth or extended into corrugate or spined projections. In life, superficial canals characteristically swollen and with a lighter-coloured lining. Skeletal arrangement is simple: irregular plumose bundles of megascleres, which tend to form loose brushes at the surface without forming a definite ectosomal skeleton. Spongin variably developed but may be considerable. Spicule complement rather variable, both among and within species. Basically, the two size categories of megascleres characteristic for the family are present, but these may be indistinguishable in some species or modified to strongyle-like spicules. Microscleres may include a full complement, then consisting of two categories of anchorate-unguiferate chelae and spined microxeas; frequently one or more of these may be absent or reduced. In extreme cases only reduced and modified megascleres may be found (Ectyobatzella form) and then assignment to Monanchora remains problematic.

 

ID Keys

See Family Crambeidae 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)