Prolixosphaeridium deirense
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*deirense Davey et al., 1966, p.171–172, pl.3, fig.2; text-fig.45. Emendation: Harding, 1990b, p.46–47, as Prolixosphaeridium deirense. Holotype: Davey et al., 1966, pl.3, fig.2; text-fig.45; Fauconnier and Masure, 2004, pl.65, fig.3. Originally (and now) Prolixosphaeridium deirense, subsequently Prolixosphaeridium parvispinum subsp. deirense. Lentin and Williams (1985, p.294) retained this taxon at specific rank. Taxonomic senior synonym (at specific and varietal ranks): Hystrichosphaeridium xanthiopyxides var. parvispinum (as and now Prolixosphaeridium parvispinum), according to Davey and Verdier (1974, p.636–637) — however, Harding (1990b, p.46) retained Prolixosphaeridium deirense. Age: middle Barremian.
Parent: Prolixosphaeridium