Compare Platessa kingstonii
Compare
Platessa kingstonii has a small, rectangular central area on the raphe valve and triseriate striae on the rapheless valve. In contrast, the central area of P. lutheri is bow-tie shaped and the striae are broad and biseriate on the rapheless valve.
LM scalebar = 10 µm
Length Range
7.4–11 µm
7.4–11 µm
Width Range
4.4–5.0 µm
4.4–5.0 µm
Striae in 10 µm
26–30 on raphe valve, 12-15 on rapheless valve
26–30 on raphe valve, 12-15 on rapheless valve
Platessa lutheri
Length Range
8-17 µm
8-17 µm
Width Range
4.5-6.0 µm
4.5-6.0 µm
Striae in 10 µm
25–29 on raphe valve, 12–15 on rapheless valve
25–29 on raphe valve, 12–15 on rapheless valve