Spiniferites microceras var. laticornutus
From dinoflaj2
"var. laticornutus" Cookson and Eisenack, 1974, p.61, pl.22, fig.11. Holotype: Cookson and Eisenack, 1974, pl.22, fig.11. NOW Spiniferites microceras subsp. laticornutus. Originally Spiniferites microceras var. laticornutus, subsequently (and now) Spiniferites microceras subsp. laticornutus. Age: Paleocene. Parent: Spiniferites microceras