Subgenus Clathria (Axosuberites) Topsent, 1893

Diagnosis. Digitate, whip-like, arborescent and flabellate growth forms; with well differentiated axial and extraaxial skeletal architecture, reminiscent of Raspailiidae; axial skeleton markedly compressed, reticulate; extra-axial skeleton radial, plumose or plumo-reticulate composed of large subectosomal auxiliary styles-subtylostyles; specialised ectosomal skeleton present composed of smaller auxiliary spicules; echinating megascleres absent although principal spicules may protrude through fibres at acute angles; microscleres absent or may include palmate isochelae and toxas (Hooper 2002).