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Compare Stauroneis boyntoniae

Bahls 2013

Compare

Stauroneis boyntoniae belongs to the group of Stauroneis species with small to medium valves, fine striae and transapically elongated and irregularly spaced areolae. This taxon may be distinguished from the other species by the size, broadly lanceolate valve shape and narrow, subrostrate to apiculate apices. Valves of Stauroneis neohyalina are more narrow (6–9 μm) and the stria density is higher (32–40 in 10 μm). The valves of S. siberica are larger (54–68 μm long by 12–16 μm wide), more elliptic and the apices are abruptly protracted.

LM scalebar = 10 µm
Stauroneis boyntoniae LM7 Stauroneis boyntoniae LM6 Stauroneis boyntoniae LM5 Stauroneis boyntoniae LM4 Stauroneis boyntoniae LM3 Stauroneis boyntoniae LM2 Stauroneis boyntoniae LM1
Length Range
31-52 µm
Width Range
7.6-10.6 µm
Striae in 10 µm
28-32

Stauroneis bryocola

Van de Vijver and Lange-Bert. 2004

Stauroneis bryocola LM5 Stauroneis bryocola LM4 Stauroneis bryocola LM3 Stauroneis bryocola LM2 Stauroneis bryocola LM1
Length Range
41-58 µm
Width Range
8.3-9.8 µm
Striae in 10 µm
27-30

Stauroneis kootenai

Bahls 2010

Stauroneis kootenai LM5 Stauroneis kootenai LM4 Stauroneis kootenai LM3 Stauroneis kootenai LM2 Stauroneis kootenai LM1
Length Range
34-52 µm
Width Range
8.1-10.3 µm
Striae in 10 µm
20-28

Stauroneis neohyalina

Lange-Bert. and Krammer 1996

Stauroneis neohyalina LM6 Stauroneis neohyalina LM5 Stauroneis neohyalina LM4 Stauroneis neohyalina LM3 Stauroneis neohyalina LM2 Stauroneis neohyalina LM1
Length Range
32-49 µm
Width Range
6.0-9.0 µm
Striae in 10 µm
32-40

Stauroneis pikuni

Bahls 2010

Stauroneis pikuni LM7 Stauroneis pikuni LM6 Stauroneis pikuni LM5 Stauroneis pikuni LM4 Stauroneis pikuni LM3 Stauroneis pikuni LM2 Stauroneis pikuni LM1
Length Range
53-64 µm
Width Range
9.0-12.0 µm
Striae in 10 µm
24-28

Stauroneis schroederi

Hust. in A.Schmidt 1913

Stauroneis schroederi LM6 Stauroneis schroederi LM5 Stauroneis schroederi LM4 Stauroneis schroederi LM3
Length Range
40-64 µm
Width Range
7.4-11.1 µm
Striae in 10 µm
24-28

Stauroneis siberica

(Grunow) Lange-Bert. and Krammer in Lange-Bert. and Metzeltin 1996

Stauroneis siberica LM7 Stauroneis siberica LM6 Stauroneis siberica LM5 Stauroneis siberica LM4 Stauroneis siberica LM3 Stauroneis siberica LM2 Stauroneis siberica LM1
Length Range
54-68 µm
Width Range
12-16 µm
Striae in 10 µm
26 (center) - 32 (ends)

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