Endoceratium perforatum
From dinoflaj2
"perforatum" Vozzhennikova, 1967, p.188-189, pl.112, figs.1a-b,3; pl.113, fig.1. Emendation: Yun Hyesu, 1981, p.62, as Xenascus perforatus. Holotype: Vozzhennikova, 1967, pl.112, fig.1a; Lentin and Vozzhennikova, 1990, pl.16, fig.5; text-fig.69. NOW Xenascus. Originally Endoceratium, subsequently (and now) Xenascus. Taxonomic senior synonym: Hystrichosphaera (as Phoberocysta, now Xenascus) ceratioides, according to Davey and Verdier (1971, p.27) - however, Yun Hyesu (1981, p.62) retained Xenascus perforatus. Lentin and Vozzhennikova (1990, p.118-119) provided an "expanded description" for this species, as Xenascus perforatus. Age: Late Cretaceous.
Parent: Endoceratium
