Hystrichosphaerina varispinosa
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?varispinosa (Brenner, 1988, p.87–88, pl.16, figs.2a–c,5a–b) Stancliffe and Sarjeant, 1990, p.204. Holotype: Brenner, 1988, pl.16, figs.2a–c. Originally Systematophora, subsequently (and now) Hystrichosphaerina?. Questionable assignment: Stancliffe and Sarjeant (1990, p.204); and Courtinat in Fauconnier and Masure (2004, p.334) as a problematic species. Age: Oxfordian–early Kimmeridgian.
Parent: Hystrichosphaerina