Microdinium veligerum

"?veligerum" (Deflandre, 1937b, p.81, pl.12 [al. pl.9], fig.9) Davey, 1969a, p.136–137.  Emendations: Lejeune-Carpentier, 1943, p.B24–B25, as Ceratocorys veligera; Lejeune-Carpentier and Sarjeant, 1983, p.5–6, as Rhiptocorys veligera.  Holotype: Deflandre, 1937b, pl.12 (al. pl.9), fig.9; Fensome et al., 1995, fig.1 — p.1885.  NOW Rhiptocorys.  Originally Micrhystridium (Appendix A), subsequently Ceratocorys (Appendix B), thirdly Microdinium, fourthly Microdinium?, fifthly (and now) Rhiptocorys, sixthly Phanerodinium, seventhly Phanerodinium?.  Questionable assignment: Stover and Evitt (1978, p.66) as a problematic species.  Taxonomic junior synonyms: Microdinium irregulare and Ceratocorys (as Microdinium, now Rhiptocorys) smolenskiensis, both according to Below (1987b, p.56) — however, Lentin and Vozzhennikova (1990, p.112) retained Ceratocorys (as Rhiptocorys) smolenskiensis.  Age: Senonian.

Parent: Microdinium