Protospongiidae

Protospongiidae is a fossil family of sponges belonging to the order Reticulosa.

Genera
Genera:
 * Brooksella Bassler, 1941
 * Diagoniella Rauff, 1894
 * Gabelia Rigby & Murphy, 1983
 * Heminectere Botting, 2004
 * Hunanospongia Qian & Ding, 1988
 * Iberospongia Garcia-Bellieo & Rigby, 2004
 * Kiwetinokia Walcott, 1920
 * Metaxyspongia Wu, Yang, Janussen, Steiner, & Zhu, 2005
 * Protospongia Salter, 1864
 * Saetaspongia Mehl & Reitner, 1993
 * Sanshapentella Mehl & Erdtmann, 1994
 * Stephanella Hinde, 1891
 * Triticispongia Mehl & Retiner, 1993