Spiniferites cornutus subsp. laevimurus

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"subsp. laevimurus" (Davey and Williams, 1966a, p.44–45, pl.4, fig.5) Lentin and Williams, 1973, p.127. Holotype: Davey and Williams, 1966a, pl.4, fig.5; Bujak et al., 1980, pl.4, figs.9,12. NOW Spiniferella cornuta subsp. laevimura. Originally Hystrichosphaera cornuta var. laevimura, subsequently Spiniferites cornutus subsp. laevimurus, thirdly (and now) Spiniferella cornuta subsp. laevimura. Taxonomic senior synonym (at subspecific rank): Hystrichosphaera cornuta var. cornuta (as 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, now Spiniferella cornuta subsp. laevimura). Taxonomic junior synonyms (at subspecific rank): Spiniferites cornutus var. crassifurcatus (as Spiniferites cornutus subsp. crassifurcatus), and Spiniferites cornutus var. normalis (as Spiniferites cornutus subsp. normalis), both according to Below (1982c, p.33). Age: early Eocene.

Parent: Spiniferites cornutus

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