Genus Grigelis Mikhalevich, 1981
Diagnosis
“Test elongate, uniserial; ovoid to fusiform proloculus may be up to twice the length of the first chamber; later chambers usually, but not always separated by long narrow necks; aperture terminal, at end of a long, narrow neck, radiate bars join at center giving petalloid effect.” (Hayward et al. 2012: 139)