Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Amphora copulata

(Kütz.) Schoeman and R.E.M.Archibald 1986

Compare

Amphora ovalis lacks a clear dorsal fascia. Amphora inariensis has a smaller size range, although the two species overlap in size range. In addition, A. copulata has a more ventral position of the raphe and intercostal ribs interrupting the dorsal striae.

LM scalebar = 10 µm
Amphora copulata LM6 Amphora copulata LM4 Amphora copulata LM7 Amphora copulata LM5 Amphora copulata LM1 Amphora copulata LM3 Amphora copulata LM2
Length Range
12-62 µm
Width Range
4-10 µm
Striae in 10 µm
14-17

Amphora ovalis

(Kütz.) Kütz. 1844

Amphora ovalis LM4 Amphora ovalis LM2 Amphora ovalis LM1 Amphora ovalis LM3 Amphora ovalis LM5
Length Range
32-95 µm
Width Range
8-17 µm
Striae in 10 µm
10-12

Also compare to

Amphora inariensis

Krammer

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.

Donate today