Classification of the subclass Somasteroidea
Cl. †Somasteroidea Spencer 1951
show all | hide all
Fm. †Chinianasteridae Spencer 1951
hide
G. †Villebrunaster Spencer 1951
+
†Villebrunaster fezouataensis Hunter and Ortega-Hernández 2021
Invalid names: Ampullaster Fell 1963 [synonym], Cantabrigiaster Hunter and Ortega-Hernández 2021 [synonym]
Invalid names: Villebrunasteridae Fell 1963 [synonym]
Invalid names: Archegonasteridae Spencer 1951 [empty]