Hystrichosphaera cornuta

"cornuta" Gerlach, 1961, p.180, pl.27, figs.10–12.  Emendation: Stover and Hardenbol, 1994, p.38–39, as Spiniferella cornuta.  Holotype: Gerlach, 1961, pl.27, figs.10–12.  NOW Spiniferella.  Originally Hystrichosphaera, subsequently Spiniferites, thirdly (and now) Spiniferella.  Age: middle Oligocene–middle Miocene.

Parent: Hystrichosphaera

Infrataxon List:

"Hystrichosphaera cornuta var. cornuta"
"Hystrichosphaera cornuta var. laevimura"