Sycettusa Haeckel

Azevedo, Fernanda & Klautau, Michelle, 2007, Calcareous sponges (Porifera, Calcarea) from Ilha Grande Bay, Brazil, with descriptions of three new species, Zootaxa 1402, pp. 1-22: 16

publication ID 10.5281/zenodo.175459

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Sycettusa Haeckel


Genus Sycettusa Haeckel 

Type species— Sycetta (Sycettusa) stauridia Haeckel, 1872  (by monotypy).

Diagnosis — Heteropiidae  with syconoid organization. Atrial and cortical skeletons are formed by tangential triactines and/or tetractines. The choanoskeleton is inarticulated, and is composed of unpaired actines of the subatrial triactines, and of centripetal actines of the pseudosagittal subcortical triactines ( Borojevic et al. 2002 b)