Bohaidina spinosa forma quadrata
From dinoflaj2
"forma quadrata" Xu Jinli and Mao Shaozhi, 1989, p.218, pl.1, fig.16; pl.2, figs.1-2; text-fig.4. Holotype: Xu Jinli and Mao Shaozhi, 1989, pl.2, fig.2. NOW Bohaidina spinosa subsp. quadrata. Originally Bohaidina spinosa forma quadrata, subsequently (and now) Bohaidina spinosa subsp. quadrata. Age: Early Tertiary. Parent: Bohaidina spinosa
