Hexasterias Ehrenberg genus doubtful

Pterosphaera Jörgensen, 1899 genus synonym

Muraticavea E.R.Wicander, 1974 genus doubtful

Stellinium S.Jardiné, A.Combaz, L.Magloire, G.Peniguel & G.Vachey, 1972 genus accepted

Coccopterum P.C.Silva, 1970 genus synonym

Polyasterias A.Meunier, 1910 genus accepted

Pterosperma Pouchet, 1893 genus accepted

Glyphosperma A.Meunier, 1910 genus synonym

Sphaeropsis Meunier, 1910 genus accepted

Hexasterias Cleve, 1900 genus synonym

Glyphospermopsis E.A.Molinari-Novoa & M.D.Guiry, 2021 genus doubtful

Pterocystis Lohmann, 1904 genus synonym

Pterococcus Lohmann, 1904 genus synonym

Pterospermella A.Eisenack, 1972 genus doubtful

Cysta Cleve, 1900 genus synonym