Lithodinia arktika
From dinoflaj2
"arktika Fenton, 1981, p.251,253, pl.2, figs.1-2; pl.3, fig.1. Holotype: Fenton, 1981, pl.2, fig.2. Taxonomic senior synonym: Meiourogonyaulax borealis, according to Riley and Fenton (1982, p.200) and Lentin and Williams (1989, p.228). Age: Late Bathonian.
Parent: Lithodinia