Compositosphaeridium polonicum (Górka 1965) Lentin and Williams 1981
Heterosphaeridium heteracanthum subsp. sparsiprocessum
Hystrichokolpoma indicum Salujha and Kindra 1981
Hystrichosphaeridium intermedium Wetzel 1933b
Hystrichosphaeridium irregulare Merrill 1895
Kallosphaeridium inornatum Batten and Lister 1988
Kallosphaeridium minus Cookson and Hughes 1964
Membranilarnacia pterococcoides subsp. minuta
Oligosphaeridium perforatum subsp. colum
Operculodinium spiniferum Cookson and Eisenack 1982
Palaeoperidinium granulatum Oleinik 1975
Pareodinia villosa Tasch in Tasch et al. 1964
Senoniasphaera reticulata Khanna and Singh 1981b
Senoniasphaera reticulata Wilson in Masure 1985
Sentusidinium brevispinosum Jain and Millepied 1975
Sentusidinium eisenackii subsp. vermiculatum
Spiniferites ramosus subsp. aulosphaeropsis
Surculosphaeridium cribrotubiferum subsp. granulosum
Thalassiphora spinosa Clarke and Verdier 1967
Baltisphaeridium huecospinosum Appendix A
Cobricosphaeridium vermiculatum Appendix A
Micrhystridium stimuliferum subsp. complanatum Appendix A
Multiplicisphaeridium cruciatum Appendix A
Multiplicisphaeridium mutabile Appendix A
Multiplicisphaeridium toyetae Appendix A
Multiplicisphaeridium vestitum Appendix A
Peteinosphaeridium hystrichoreticulatum Appendix A