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Hystrichosphaera cornuta var. laevimura

"Hystrichosphaera cornuta var. laevimura" Davey and Williams, 1966a, p.44-45, pl.4, fig.5.

TYPE: Holotype: Davey and Williams, 1966a, pl.4, fig.5; Bujak et al., 1980, pl.4, figs.9,12.

HISTORY: NOW: Spiniferella cornuta subsp. laevimura. Originally Hystrichosphaera cornuta var. laevimura, subsequently Spiniferites cornutus subsp. laevimurus, thirdly (and now) Spiniferella cornuta subsp. laevimura.

SYNONYM(S): Taxonomic senior synonym: Spiniferites cornutus subsp. cornutus (now Spiniferella cornuta subsp. cornuta), according to Cookson and Eisenack (1974, p.62) - however, Below (1982c, p.33) retained Hystrichosphaera cornuta var. laevimura (as Spiniferites cornutus subsp. laevimurus. Taxonomic junior synonyms: Spiniferites cornutus var. crassifurcatus and Spiniferites cornutus var. normalis, both according to Below (1982c, p.33).

AGE: Early Eocene.


Infraspecific taxa:


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