Adnatosphaeridium multispinosum
From dinoflaj3
"multispinosum" Williams and Downie, 1966c, p.216–217, pl.24, fig.5; text-fig.57. Holotype: Williams and Downie, 1966c, text-fig.57. Taxonomic senior synonym: Adnatosphaeridium vittatum, according to Fensome et al. (2009, p.13). Age: early Eocene.
