Diatoms of North AmericaDiatoms of North America
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Compare Psammothidium microscopicum

(Cholnoky) S.Blanco 2016

Compare

Psammothidium subatomoides is slightly larger, although the smallest specimens of P. subatomoides are smaller. The central area on P. subatomoides is larger and the striae are generally more distinct.

LM scalebar = 10 µm
Psammothidium curtissimum LM2 Psammothidium curtissimum LM1 Mo000019 Pscurt 1A Ed Mo000019 Pscurt 1B Ed Psammothidium curtissimum LM4 Psammothidium curtissimum LM5 Psammothidium curtissimum LM3
Length Range
4.9-8.5 µm
Width Range
3.5-4.0 µm
Striae in 10 µm
27-31

Psammothidium subatomoides

(Hust.) Bukht. and Round 1996

Psammothidium subatomoides LM10 Psammothidium subatomoides LM2 Psammothidium subatomoides LM4 Psammothidium subatomoides LM6 Psammothidium subatomoides LM8
Length Range
5.5–11 µm
Width Range
3.2-6.0 µm
Striae in 10 µm
30-40