Poecillastra is 'n genus van sponsdiere uit die klas van die Demospongiae (gewone sponse). Poecillastra antonbruunae (Carvalho, Desqueyroux-Faúndez & Hajdu, 2011) Poecillastra ciliata (Wilson, 1925) Poecillastra compressa (Bowerbank, 1866) Poecillastra crassiuscula (Sollas, 1886) Poecillastra cribraria (Wilson, 1904) Poecillastra cumana (Vosmaer, 1894) Poecillastra eccentrica (Dendy & Burton, 1926) Poecillastra fragilis (Vosmaer, 1894) Poecillastra incrustans (Sollas, 1888) Poecillastra japonica (Thiele, 1898) Poecillastra laminaris (Sollas, 1886) Poecillastra maremontana (Carvalho, Desqueyroux-Faúndez & Hajdu, 2011) Poecillastra rickettsi (De Laubenfels, 1930) Poecillastra rudiastra (Pulitzer-Finali, 1983) Poecillastra saxicola (Topsent, 1892) Poecillastra schulzei (Sollas, 1886) Poecillastra sinetridens (Carvalho, Desqueyroux-Faúndez & Hajdu, 2011) Poecillastra stipitata (Lévi, 1993) Poecillastra symbiotica (Topsent, 1902) Poecillastra tenuilaminaris (Sollas, 1886) Poecillastra tenuirhabda (Lendenfeld, 1907) Poecillastra tuberosa (Lévi, 1964) Poecillastra wondoensis (Sim & Kim, 1995) Nieaanvaarde spesies (WoRMS): Poecillastra amygdaloides -> Nethea amygdaloides Poecillastra nana -> Nethea nana