Polystephanosphaera paracalatha

"paracalatha" Sarjeant, 1960a, p.143–144, pl.6, fig.4; text-fig.3b.  Emendation: Stancliffe and Sarjeant, 1990, p.206, as Polystephanephorus paracalathus.  Holotype: Sarjeant, 1960a, pl.6, fig.4; text-fig.3b; Stancliffe and Sarjeant, 1990, pl.2, figs.2,3,5; text-fig.2.  NOW Polystephanephorus.  Originally Polystephanosphaera, subsequently (and now) Polystephanephorus, thirdly Hystrichosphaerina.  Age: middle Callovian.

Parent: Polystephanosphaera