Diatoms of North AmericaDiatoms of North America
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Compare Gomphoneis eriensis var. apiculata

Stoermer in Reimer 1982

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Gomphoneis eriensis and its allies have a rounded headpole.

LM scalebar = 10 µm
Gomphoneis eriense var. apiculata LM2 Gomphoneis eriense var. apiculata LM5 Gomphoneis eriense var. apiculata LM4 Gomphoneis eriense var. apiculata LM3 Gomphoneis eriense var. apiculata LM1
Length Range
33-63 µm
Width Range
12-14 µm
Striae in 10 µm
12-14 at the central portion of the valve, 14-15 at the poles

Gomphoneis eriensis

(Grunow) Skvortzov in Skvortzov and Meyer 1928

Eriense Boyer T 5 14002 Eriense Boyer T 5 14006 Eriense Boyer T 5 14004 Eriense Boyer T 5 14003 Eriense Boyer T 5 14001
Length Range
25- 67 µm
Width Range
9.5-13.0 µm
Striae in 10 µm
12-16