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Prolixosphaeridium parvispinum subsp. deirense

"Prolixosphaeridium parvispinum 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.

TYPE: Holotype: Davey et al., 1966, pl.3, fig.2; text-fig.45.

HISTORY: NOW: Prolixosphaeridium deirense. Originally (and now) Prolixosphaeridium deirense, subsequently Prolixosphaeridium parvispinum subsp. deirense.

SYNONYM(S): 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.


Infraspecific taxa:


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