Australian Biological Resources Study

Australian Faunal Directory

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Subgenus Antho (Acarnia) Gray, 1867

 

Distribution

States

Northern Territory, South Australia, Tasmania, Victoria, Western Australia


IBRA and IMCRA regions (map not available)

IMCRA

Northwest Shelf Province (27), Central Western Shelf Transition (28), Central Western Shelf Province (29), Southwest Shelf Transition (30), Southwest Shelf Province (31), Northwest Province (4), Central Western Transition (5)

Diagnosis

Encrusting, lobate, digitate and flabellate growth forms; with regular basal or axial renieroid skeleton of acanthostrongyles (less frequently acanthostyles or smooth tylostrongyles), with or without spongin fibres. Renieroid tracts may be echinated by acanthostyles at spongin fibre nodes. Basal renieroid skeleton overlays hymedesmioid, leptoclathriid or microcionid main skeleton composed of echinating (acantho-)styles and/or choanosomal styles, standing perpendicular to base or axis, joining with echinating megascleres to produce ascending plumose skeletal tracts. Extraaxial (subectosomal) skeleton plumose, dendritic, or subisodictyal, composed of choanosomal styles, originating from substrate or simply confined to periphery, forming tangential, paratangential or plumose extra-axial tracts. Ectosomal skeleton with or without specialised spiculation (one or two categories of auxiliary styles). Microscleres include diverse forms of isochelae and 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)