Invalid subtaxa: Euophiuroidea Sollas and Sollas 1912 [invalid subgroup], Protophiuroidea Sollas and Sollas 1912 [invalid subgroup]

Full reference: F. Schöndorf. 1910. Palaozoische Seesterne Deutschlands. II. Die Aspidosomatiden des deutschen Unterdevon. Palaeontographica 57:1-63

Parent taxon: Stelleroidea according to C. Schuchert 1915

Sister taxa: Asteroidea, Eopentaroida, Ophiuroidea, Phragmactis, Somasteroida

Subtaxa: Streptophiurae

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Ecology: epifaunal carnivore