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Compare Rhoicosphenia stoermeri

Thomas and Kociolek 2015

Compare

Rhoicosphenia stoermeri is longer and wider than reports for R. abbreviata. The most distinct features are the broadly spaced raphe ends of the raphe valve and panduriform central area, features absent in other species of Rhoicosphenia.

LM scalebar = 10 µm
Rhoicosphenia stoermeri LM7 Rhoicosphenia stoermeri LM6 Rhoicosphenia stoermeri LM5 Rhoicosphenia stoermeri LM4 Rhoicosphenia stoermeri LM3 Rhoicosphenia stoermeri LM2 Rhoicosphenia stoermeri LM1
Length Range
25-84 µm
Width Range
6-9 µm
Striae in 10 µm
11-13 in the center valve, 14-16 at the ends

Rhoicosphenia abbreviata

(C.Agardh) Lange-Bert. 1980

57002 Lm1 1 57002 Lm3 1 57002 Lm5 1 57002 Lm2 1 57002 Lm4 1
Length Range
10–55 µm
Width Range
4–8 µm
Striae in 10 µm
15-20

Also compare to

Rhoicosphenia marina var. intermedia

M.Schmidt

Rhoicosphenia curvata var. subacuta

M.Schmidt

Rhoicosphenia affinis

Levkov

Rhoicosphenia lacustris

Levkov

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