Palaeotetradinium paucispinum
From dinoflaj3
"paucispinum" (Alberti, 1961, p.19–20, pl.3, fig.25) Stover and Evitt, 1978, p.71. Holotype: Alberti, 1961, pl.3, fig.25. NOW Rhombodella (Appendix B). Originally Palaeohystrichophora, subsequently Palaeotetradinium, thirdly (and now) Rhombodella (Appendix B). Taxonomic junior synonym: Rhombodella natans, according to Stover and Evitt (1978, p.71). Age: middle Albian.
Parent: Palaeotetradinium