Spiniferella cornuta subsp. ovalis
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subsp. ovalis (He Chengquan, 1991, p.151-152, pl.22, figs.1-2) Williams et al., 1998, p.566). Holotype: He Chengquan, 1991, pl.22, figs.1-2. Originally Spiniferites cornutus subsp. ovalis, subsequently (and now) Spiniferella cornuta subsp. ovalis. Age: Paleocene. Parent: Spiniferella cornuta