The median rib of A. lindheimeri is irregularly widened in the center of the valve and the stria density is lower (26-28 in 10 µm).

LM scalebar = 10 µm
Length Range
68.0-105.0 µm
Width Range
7.0 µm
Striae in 10 µm
48
Amphipleura pellucida LM1
Amphipleura pellucida LM2
Amphipleura pellucida LM3
Amphipleura pellucida LM4
Amphipleura pellucida LM5
Amphipleura pellucida LM1 Amphipleura pellucida LM2 Amphipleura pellucida LM3 Amphipleura pellucida LM4 Amphipleura pellucida LM5

Also compare to

Amphipleura lindheimeri

Grunow