Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Planothidium abbreviatum

(Reimer) Potapova 2012

Compare

Planothidium abbreviatum differs from P. frequentissimum by subrostrate apices, wider valves, and lower stria density.

LM scalebar = 10 µm
Planothidium abbreviatum LM1 Gs024101 1 Gs024101 3 Gc49756A 1B Gc49756A 1A 1 Gc43857 Aclin Abbrev Cricle1A Gc43857 Aclin Abbrev Cricle1B
Length Range
11-18 µm
Width Range
6.1-8.5 µm
Striae in 10 µm
11-12

Planothidium frequentissimum

(Lange-Bert. in Krammer and Lange-Bert.) Lange-Bert. 1999

Gs119780 1 Ed Planothidium frequentissimum LM3 Planothidium frequentissimum LM2 Mo000019 1A Ed 5 Planothidium frequentissimum LM1 Gs181995 1B Ed Mo000019 Plfreq 1B Ed
Length Range
5-17 µm
Width Range
3-6 µm
Striae in 10 µm
13-18