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Stauroneis anceps may be distinguished from other Stauroneis species of similar shape and size by its long, narrow, rostrate apices.

LM scalebar = 10 µm
Stauroneis anceps LM7 Stauroneis anceps LM6 Stauroneis anceps LM5 Stauroneis anceps LM2 Stauroneis anceps LM4 Stauroneis anceps LM3 Stauroneis anceps LM1
Length Range
48-76 µm
Width Range
12-15 µm
Striae in 10 µm
19-21

Stauroneis acidoclinata

Lange-Bert. and Werum 2004

Stauroneis acidoclinata LM7 Stauroneis acidoclinata LM6 Stauroneis acidoclinata LM5 Stauroneis acidoclinata LM3 Stauroneis acidoclinata LM2 Stauroneis acidoclinata LM1
Length Range
35-70 µm
Width Range
7.4-11.5 µm
Striae in 10 µm
19-24

Stauroneis amphicephala

Kütz. 1844

Stauroneis amphicephala LM5 Stauroneis amphicephala LM4 Stauroneis amphicephala LM3 Stauroneis amphicephala LM2 Stauroneis amphicephala LM1 Stauroneis amphicephala LM6
Length Range
55-82 µm
Width Range
11.0-16.8 µm
Striae in 10 µm
18-21

Stauroneis reichardtii

Lange-Bert., Cavacini, Tagliaventi, and Alfinito 2003

Stauroneis reichardtii LM6 Stauroneis reichardtii LM4 Stauroneis reichardtii LM5 Stauroneis reichardtii LM3 Stauroneis reichardtii LM2 Stauroneis reichardtii LM1
Length Range
36-54 µm
Width Range
8.0-10.8 µm
Striae in 10 µm
20-26

Stauroneis ancepsfallax

L.L.Bahls 2010

Stauroneis ancepsfallax LM6 Stauroneis ancepsfallax LM5 Stauroneis ancepsfallax LM4 Stauroneis ancepsfallax LM3 Stauroneis ancepsfallax LM2 Stauroneis ancepsfallax LM1
Length Range
52-70 µm
Width Range
11.4-14.2 µm
Striae in 10 µm
17-23

Also compare to

Stauroneis fluminea

R.M.Patrick and Freese