Sponge-sand, a source of Foraminiferal tests, [62]
Sponge-spicules, in arenaceous shell of Foraminifera, [64]
—see also Spicules
Spongicola (= Nausithoe), [206], [318];
S. fistularis, [317];
(a Decapod Crustacean), [206];
S. venusta, [206]
Spongidae, [220]
Spongilla, [217], [225], [230], [232], [237], [238];
S. lacustris, spicule, [232]