Senoniasphaera ptomatis
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ptomatis Helby, May and Partridge in Helby, 1987, p.319–321, figs.25A–S,26. Holotype: Helby, 1987, figs.25A–D; Fensome et al., 1996, figs.1–4 — p.2303. N.I.A. Age: middle Berriasian.
Parent: Senoniasphaera