Filisphaera Bujak, 1984, p.185.
EMENDATION: Head, 1994b, p.234-235.
SYNONYM(S): Taxonomic junior synonym: Muraticysta, according to Head (1994b, p.234).
TYPE: Bujak, 1984, pl.1, figs.7-8, as Filisphaera filifera.