Bohidina spinosa ssp. quadrata, (Xu Jinli and Mao Shaozhi, 1989), Lentin and Williams, 1993

Originally Bohaidina spinosa forma quadrata, subsequently (and now) Bohaidina spinosa ssp. quadrata.

Holotype: Xu Jinli and Mao Shaozhi, 1989, pl.2, fig.2
Age: Early Tertiary