Micrhystridium veligerum Appendix A

"veligerum" Deflandre, 1937b, p.81, pl.12 (al. pl.9), fig.9.  Emendations: Lejeune-Carpentier, 1943, 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, subsequently Ceratocorys (Appendix B), thirdly Microdinium, fourthly Microdinium?, fifthly (and now) Rhiptocorys, sixthly Phanerodinium, seventhly Phanerodinium?.  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: Micrhystridium_Appendix A