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Compare Navicula eileeniae

Potapova and Ciugulea 2019

Navicula cryptotenella has wider valves and acute valve apices. Navicula cryptotenelloides has smaller valves and acute valve apices. Navicula recens is similar to N. eileeniae in the striae pattern in the central part of the valve where short and long striae alternate, but is larger and has coarser striae and areolae.

LM scalebar = 10 µm
Navicula eileeniae LM1 Navicula eileeniae LM2 Navicula eileeniae LM3 Navicula eileeniae LM4 Navicula eileeniae LM5 Navicula eileeniae LM6 Navicula eileeniae LM7
Length Range
17.8–26.5 µm
Width Range
4.2–5.4 µm
Striae in 10 µm
14-15

Navicula cryptotenella

Lange-Bert. in Krammer and Lange-Bert. 1985

Navicula cryptotenella LM9 Navicula cryptotenella LM8 Navicula cryptotenella LM1 Navicula cryptotenella LM4 Navicula cryptotenella LM3 Navicula cryptotenella LM7 Navicula cryptotenella LM2
Length Range
15-40 µm
Width Range
4.8-6.8 µm
Striae in 10 µm
14-16

Navicula recens

Lange-Bert. in Krammer and Lange-Bert. 1985

46649 Lm2 46649 Lm5 46649 Lm4 46649 Lm3 46649 Lm6 46649 Lm1 46649 Lm7
Length Range
17-42 µm
Width Range
5.8-8.2 µm
Striae in 10 µm
11–13

Also compare to

Navicula cryptotenelloides

Lange-Bert.

BioData Reference
Lange-Bertalot 2001 Pl 26 Fig 8-16