Genus Megaciella Hallmann, 1920
- Megaciella Hallmann, E.F. 1920. New genera of monaxonid sponges related to the genus Clathria. Proceedings of the Linnean Society of New South Wales 44: 767-792 3 figs pls 36-40 [772].
Type species:
Amphilectus pilosus Ridley & Dendy, 1886 by original designation.
Distribution
States
Queensland
Extra Distribution Information
Southern Ocean (Marion Island, Kerguelen).
IMCRA
Northeast Shelf Province (40), Northeast Shelf Transition (41)
Distribution References
- Ridley, S.O. & Dendy, A. 1887. Report on the Monaxonida collected by H.M.S. Challenger during the years 1873–76. Report on the Scientific Results of the Voyage of H.M.S. Challenger 1873–1876, Zoology Zool. 20(59): 1-275 pls 1-51 [127] (type species)
Diagnosis
Non-fistulose, branching, lobate, flabellate or encrusting growth forms; ectosomal skeleton composed of tangential or paratangential layer of ectosomal tylotes with microspined bases, often sinuous or curved; choanosomal skeleton reticulate or confused (hymedesmioid in encrusting species), with ascending multi- and paucispicular tracts of smooth choanosomal styles with spined bases, interconnected by secondary uni- or bispicular tracts bound together with collagen producing irregular wide meshes; echinating acanthostyles present or absent; microscleres are palmate isochelae and two morphologies of toxas.
ID Keys
See Family Acarnidae Diagnosis.
Diagnosis References
Hooper, J.N.A. 2002. Family Acarnidae Dendy, 1922. pp. 412-431 in Hooper, J.N.A. & van Soest, R.W.M. (eds). Systema Porifera: A guide to the classification of sponges. New York : Kluwer Academic/Plenum Publishers Vol. 1. [424]
History of changes
| 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) |