Bohaidina spinosa subsp. quadrata
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subsp. quadrata (Xu Jinli and Mao Shaozhi, 1989, p.218, pl.1, fig.16; pl.2, figs.1-2; text-fig.4) Lentin and Williams, 1993, p.64. Holotype: Xu Jinli and Mao Shaozhi, 1989, pl.2, fig.2. Originally Bohaidina spinosa forma quadrata, subsequently (and now) Bohaidina spinosa subsp. quadrata. Age: Early Tertiary.Bohaidina spinosa
