Radiolaria - Entactinaria - Hindeosphaeridae

Alternative combination: Archaeospongoprunum compactum

Belongs to Pseudostylosphaera according to Yeh 1990

Sister taxa: Pseudostylosphaera coccostyla, Pseudostylosphaera goestlingensis, Pseudostylosphaera gracilis, Pseudostylosphaera japonica, Pseudostylosphaera kozuri, Pseudostylosphaera longispinosa, Pseudostylosphaera magnispinosa, Pseudostylosphaera multispinata, Pseudostylosphaera nazarovi, Pseudostylosphaera oblonga, Pseudostylosphaera procera, Pseudostylosphaera tenuis

Ecology: passively mobile planktonic omnivore