(8)
Zygodiscales (2)
Helicosphaeraceae (1)
Helicosphaera (4)
H. walbersdorfensis group (5)
Helicosphaera vedderi
Description: Similar to H. walbersdorfensis with wider bar and less distinct wing.
Remarks:
Range: NN2-5.
Variant: H. jakubowskii Varol, 1989 - granular central-area.