Radiolaria - Entactinaria - Hindeosphaeridae

Alternative combination: Archaeospongoprunum japonicum

Belongs to Pseudostylosphaera according to Blome 1986

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

Ecology: passively mobile planktonic omnivore