Palaeotetradinium paucispinum

"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: Mid Albian.

Parent: Palaeotetradinium