Classification
(master taxon) [(master rank)]Protoctista [kingdom]
Actinopoda [phylum]
Sarcodina [subphylum]
Acantharia [class]
Symphyacanthida [order]
Ordo Symphyacanthida bevat de volgende taxa:
Amphilithidae [family]
Astrolithidae [family]
Pseudolithidae [family]