Lingulodinium milneri (Murray and Whitting, 1899, p.325, pl.27, figs.2a-d) Dodge, 1989, p.294. Holotype: not designated. Originally Goniodoma (Appendix B), subsequently Gonyaulax (Appendix B), thirdly (and now) Lingulodinium. This species represents living motile cells and has no fossil representation; it is included here because it has been assigned to a genus, Lingulodinium, with a fossil type. Age: extant.