Clathrina Gray, 1867

Diagnosis. "Calcinea in which the cormus comprises anastomosed tubes. A stalk may be present. The skeleton contains regular (equiangular and equiradiate) and/or parasagittal triactines, to which diactines and tripods may be added. Asconoid aquiferous system" (Klautau et al. 2013).

Type species. Grantia clathrus Schmidt, 1864 .