Compare Aulacoseira granulata
Aulacoseira muzzanensis has a lower ratio of mantle height/valve diameter.
Aulacoseira granulata var. angustissima has more narrow cells and greater ratio of mantle height/valve diameter.
Aulacoseira herzogii has much finer areolae and shorter filaments.
Aulacoseira ambigua has a hollow ringleiste and smaller, rounded areolae.
LM scalebar = 10 µm
Diameter
4-17 µm
4-17 µm
Width Range
4-20 µm
4-20 µm
Striae in 10 µm
8-18
8-18
Diameter
9-24 µm
9-24 µm
Width Range
5-13 µm
5-13 µm
Striae in 10 µm
7-15
7-15
Diameter
3-12 µm
3-12 µm
Width Range
5-15 µm
5-15 µm
Striae in 10 µm
17-22
17-22
Diameter
3-7 µm
3-7 µm
Width Range
7-14 µm
7-14 µm
Striae in 10 µm
30-32
30-32
Diameter
2.5-4 µm
2.5-4 µm
Width Range
8-20 µm
8-20 µm
Striae in 10 µm
10-20
10-20
