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Van Soest, R. W.M. (2017). Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida). European Journal of Taxonomy. 351: 1-48.
10.5852/ejt.2017.351 [view]
Van Soest, R. W.M.
Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida)
European Journal of Taxonomy
351: 1-48
Open Access
Available for editors  PDF available [request]
Haplosclerid sponges possessing a unique asymmetric flagelliform type of sigmoid microsclere have been reported from all global oceans. This peculiar spicule, characterized by a circular or elliptical shape, with a longer and sharper curved ending at one side and a shorter and more gradually curved ending at the opposing side, is proposed to be termed ‘flagellosigma’. These sponges invariably also possess smaller normal sigmas while their skeletal structure of oxea megascleres is markedly confused. They are assigned to the large genus Haliclona Grant, 1841 (family Chalinidae) in a new subgenus, Haliclona (Flagellia) subgen. nov. The species belonging to the new subgenus are reviewed and four species new to science are described, Haliclona (Flagellia) indonesiae subgen. et sp. nov., H. (F.) amirantensis subgen. et sp. nov., H. (F.) hiberniae subgen. et sp. nov. and H. (F.) hajdui subgen. et sp. nov. One species, H. (F.) hentscheli nom. nov., is given a new name on account of secondary homonymy caused by its transfer to the genus Haliclona. One species remains unnamed because of paucity of material. Already known species, reassigned to the new subgenus are H. (F.) hamata subgen. et comb. nov., H. (F.) flagellifera subgen. et comb. nov., H. (F.) porosa subgen. et comb. nov., H. (F.) edaphus subgen. et comb. nov. and H. (F.) anataria subgen. et comb. nov. Additional species are likely hiding among many erroneous records of ‘Gellius flagellifer’ from wide ranging parts of the global oceans.
Systematics, Taxonomy
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2017-09-21 09:27:29Z

Arafura Sea for Haliclona (Flagellia) hamata (Thiele, 1903) 
Azores Canaries Madeira for Haliclona (Flagellia) hiberniae Van Soest, 2017 
Celtic Seas for Haliclona (Flagellia) hiberniae Van Soest, 2017 
East Greenland Shelf for Haliclona (Flagellia) porosa (Fristedt, 1887) 
Guianan for Haliclona (Flagellia) hajdui Van Soest, 2017 
Gulf of St. Lawrence - Eastern Scotian Shelf for Haliclona (Flagellia) porosa (Fristedt, 1887) 
Lesser Sunda for Haliclona (Flagellia) hamata (Thiele, 1903) 
North Atlantic Lower Bathyal Province for Haliclona (Flagellia) hiberniae Van Soest, 2017 
Sahelian Upwelling for Haliclona (Flagellia) porosa (Fristedt, 1887) 
Sea of Okhotsk for Haliclona (Flagellia) porosa (Fristedt, 1887) 
South European Atlantic Shelf for Haliclona (Flagellia) porosa (Fristedt, 1887) 
Holotype ZMA Por. 12409, locality Seychelles, identified as Haliclona (Flagellia) amirantensis Van Soest, 2017
Holotype ZMA Por. 19596a, locality Celtic Seas, identified as Haliclona (Flagellia) hiberniae Van Soest, 2017
Holotype RMNH Por. 2326, locality Sulawesi Sea/Makassar Strait, identified as Haliclona (Flagellia) indonesiae Van Soest, 2017
Holotype RMNH Por. 9921, locality Guianan, identified as Haliclona (Flagellia) hajdui Van Soest, 2017

This combination is a junior homonym of Haliclona foraminosa var. incrustans (Czerniavsky, 1880) and Haliclona ... [details]