Heavy bilobulated cephalis with irregularly distributed circular pores and 3 massive, simple or branched feet at the base; rudiments of thoracic lattice often present between feet. Shell breadth: ca. 100 µm.
Ref.: Petrushevskaya (1967).
Kingdom Protoctista Phylum Actinopoda Subphylum Sarcodina Class Polycystina Order Nassellaria Family Spyridae Genus Triceraspyris Species Triceraspyris antarctica