Compare

Staurophora tackei is much smaller and has linear-lanceolate valves. Staurophora wislouchii has elliptic-lanceolate valves with short protracted ends. Stauroneis submarina has a narrow linear central area that is unlike the broad deltoid central area of S. brantii.

LM scalebar = 10 µm
Staurophora brantii LM7 Staurophora brantii LM6 Staurophora brantii LM5 Staurophora brantii LM4 Staurophora brantii LM3 Staurophora brantii LM2 Staurophora brantii LM1
Length Range
38-48 µm
Width Range
9-12 µm
Striae in 10 µm
18-24 (14 initial valve)

Staurophora tackei

(Hust.) L.L.Bahls 2012

Staurophora tackei LM6 Staurophora tackei LM5 Staurophora tackei LM4 Staurophora tackei LM3 Staurophora tackei LM2 Staurophora tackei LM1
Length Range
21-30 µm
Width Range
5.7-7.3 µm
Striae in 10 µm
20-30

Staurophora wislouchii

(Poretzky and Anisimova) D.G.Mann 1990

Staurophora wislouchii LM7 Staurophora wislouchii LM6 Staurophora wislouchii LM5 Staurophora wislouchii LM4 Staurophora wislouchii LM3 Staurophora wislouchii LM2 Staurophora wislouchii LM1
Length Range
25-40 µm
Width Range
7.3-11.4 µm
Striae in 10 µm
24-30

Also compare to

Stauroneis submarina

Hust.