Compare

The other Encyonopsis species with an isolated stigma all have either lanceolate or rhombic-lanceolate valves. Valves of Gomphonema hebridense and similar Gomphonema species are asymmetric with respect to the transapical axis.

LM scalebar = 10 µm
Encyonopsis Neoamphioxys 1 Encyonopsis Neoamphioxys 2 Encyonopsis Neoamphioxys 4 Encyonopsis Neoamphioxys 5 Encyonopsis Neoamphioxys 6
Length Range
41-59 µm
Width Range
4.9-7.6 µm
Striae in 10 µm
13-15 at the valve center, 15-18 at the ends on the dorsal side

Kurtkrammeria lacusglacialis

(Bahls) Bahls 2015

Encyonadaensis 1 Encyonadaensis 3 Encyonadaensis 4 Encyonadaensis 5 Encyonadaensis 6
Length Range
58-80 µm
Width Range
8.8-11.1 µm
Striae in 10 µm
10-13 at the valve center, 16-18 near the ends

Kurtkrammeria subspicula

Krammer 1997

Encyonopsis Subspicula1 Encyonopsis Subspicula2 Encyonopsis Subspicula3 Encyonopsis Subspicula4 Encyonopsis Subspicula5 Encyonopsis Subspicula6
Length Range
47.2-76.4 µm
Width Range
5.7-8.6 µm
Striae in 10 µm
16-20

Kurtkrammeria treinishii

(Bahls) Bahls 2015

Encyotreinischii 1 Encyotreinischii 2 Encyotreinischii 3 Encyotreinischii 4 Encyotreinischii 5 Encyotreinischii 6
Length Range
55-80 µm
Width Range
7.6-10.3 µm
Striae in 10 µm
12-15 at valve center, 14-17 near the apices

Also compare to

Encyonopsis spicula

(Hust.) Krammer

Encyonopsis spiculiformis

Krammer

Gomphonema hebridense

W.Greg.

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.