Compare

Denticula creticola has broadly rounded ends and nodule at the junction of each fibula and the valve margin. Denticula sundayensis has coarser striae (20 in 10 µm) compared to D. subtilis. Denticula rainierensis has a central constriction in larger valves, and rounded apices in smaller valves.

LM scalebar = 10 µm
Denticula subtilis LM1 Denticula subtilis LM2 Denticula subtilis LM3 Denticula subtilis LM4 Denticula subtilis LM5 Denticula subtilis LM6 Denticula subtilis LM7
Length Range
7.4-20.6 µm
Width Range
2-3 µm
Striae in 10 µm
26-40

Denticula creticola

(Østrup) Lange-Bert. and Krammer 1910

Denticula creticola LM1 Denticula creticola LM4 Denticula creticola LM2 Denticula creticola LM3 Denticula creticola LM6 Denticula creticola LM7 Denticula creticola LM5
Length Range
9.0-11.2 µm
Width Range
2.5-2.8 µm
Striae in 10 µm
> 40

Also compare to

Denticula sundayensis

Archibald

Denticula rainierensis

Sovereign