Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Plagiotropis lepidoptera var. proboscidea

(Cleve) Reimer in R.M.Patrick and Reimer 1975

Compare

Plagiotropis arizonica has larger valves (>110 µm long), convergent striae at valve center and more widely spaced areolae (15-18 in 10 µm).

LM scalebar = 10 µm
Plagiotropis lepidoptera var proboscidea LM7 Plagiotropis lepidoptera var proboscidea LM6 Plagiotropis lepidoptera var proboscidea LM5 Plagiotropis lepidoptera var proboscidea LM4 Plagiotropis lepidoptera var proboscidea LM3 Plagiotropis lepidoptera var proboscidea LM2 Plagiotropis lepidoptera var proboscidea LM1
Length Range
73-110 µm
Width Range
17.1-20.4 µm
Striae in 10 µm
17-19

Plagiotropis arizonica

Czarn. and Blinn 1978

Plagiotropis arizonica LM7 Plagiotropis arizonica LM6 Plagiotropis arizonica LM5 Plagiotropis arizonica LM4 Plagiotropis arizonica LM3 Plagiotropis arizonica LM2 Plagiotropis arizonica LM1
Length Range
147-180 µm
Width Range
24-31 µm
Striae in 10 µm
13-15 (center); 16-17 (ends)