Palaeotetradinium natans
From dinoflaj2
"natans" (Cookson and Eisenack, 1962b, p.496, pl.7, figs.12-13) Lentin and Williams, 1985, p.272. Holotype: Cookson and Eisenack, 1962b, pl.7, fig.13. Combination not validly published: basionym not fully referenced. Originally Rhombodella (Appendix A), subsequently Palaeotetradinium (combination not validly published). Taxonomic senior synonym: Palaeohystrichophora (now Rhombodella) paucispina, according to Stover and Evitt (1978, p.71). Lentin and Williams (1985, p.272) inadvertently proposed this combination. Age: Aptian-Albian.
Parent: Palaeotetradinium
