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Craticula acidoclinata has elliptic-lanceolate valves and C. cuspidata has rhombic-lanceolate valves. Valves of C. acidoclinata and C. cuspidata are also smaller and have narrower apices.

LM scalebar = 10 µm
Craticula pampeana LM4 Craticula pampeana LM2 Craticula pampeana LM3 Craticula pampeana LM1 Craticula pampeana LM5
Length Range
139-274 µm
Width Range
29-45 µm
Striae in 10 µm
10-12

Craticula acidoclinata

Lange-Bert. and Metzeltin 1996

Cratacid1 Cratacid2 Cratacid3 Cratacid4 Cratacid5 Cratacid6 Cratacid7
Length Range
94-168 µm
Width Range
22-29 µm
Striae in 10 µm
12-14

Craticula cuspidata

(Kütz.) D.G.Mann 1990

C Cuspidata Gray 1 C Cuspidata Gray 5 C Cuspidata Gray 4 C Cuspidata Valve Forms Gray C Cuspidata Gray 3 C Cuspidata Gray 2
Length Range
95-157 µm
Width Range
24-36 µm
Striae in 10 µm
12-14 transverse, 24-26 longitudinal

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