Genus Ciocalypta Bowerbank, 1862

Synonymy. Ciocalypta Bowerbank, 1862: 1105 . Leucophloeus Carter, 1883: 323 . Collocalypta Dendy, 1905: 199 . Coelocalypta Topsent, 1928: 167 . Pseudohymeniacidon Carballo, 2001: 258 .

Definition. Halichondrids with finger­shaped fistules possessing a central spicular axis, with strong secondary tracts supporting the ectosome. Spicules styles and/ or oxeas, usually in two size categories (Erpenbeck & Van Soest 2002).

Type Species. Ciocalypta penicillus Bowerbank, 1864: 179 (by monotypy)