Tursiocola neliana has a slightly eccentric raphe, positioned on the valve face. It is smaller (8–21 μm) and occurs exclusively on leatherback sea turtles.

LM scalebar = 10 µm
Tursiocola cymbelloides LM1 Tursiocola cymbelloides LM3 Tursiocola cymbelloides LM2 Tursiocola cymbelloides LM5 Tursiocola cymbelloides LM4 Tursiocola cymbelloides LM6
Length Range
21-35 µm
Width Range
1.6-3.7 µm
Striae in 10 µm
29-32

Also compare to

Tursiocola neliana

Majewska 2020