Prolixosphaeridium parvispinum subsp. deirense

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"subsp. deirense" (Davey et al., 1966, p.171-172, pl.3, fig.2; text-fig.45) Below, 1982c, p.31.  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.  NOW Prolixosphaeridium deirense.  Originally (and now) Prolixosphaeridium deirense, subsequently Prolixosphaeridium parvispinum subsp. deirense.  Taxonomic senior synonym (at specific and varietal ranks): Hystrichosphaeridium xanthiopyxides var. parvispinum (now Prolixosphaeridium parvispinum), according to Davey and Verdier (1974, p.636-637) - however, Harding (1990b, p.46) retained Prolixosphaeridium parvispinum subsp. deirense (as Prolixosphaeridium deirense).  Age: mid Barremian. Parent: Prolixosphaeridium parvispinum