Cassidium filosum Wilson, 1988, p.14-15, pl.2, figs.8a-b,9; pl.3, figs.2a-b.
TYPE: Holotype: Wilson, 1988, pl.2, figs.8a-b; Fensome et al., 1996, figs.1-2 - p.2125.
AGE: Paleocene (Teurian).