Pterospermopsis Appendix A
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PTEROSPERMOPSIS Wetzel, 1952, p.411. Emendation: Sarjeant, 1984a, p.143-145. Acritarch genus. For synonymy see Fensome et al. (1990, p.429). Type: Wetzel, 1952, pl.16, fig.34 as Pterospermopsis danica.