Compare Delicata delicatula
Compare
Valves of Delicata canadensis are lunate in shape and smaller. Delicata alpestris and D. montana have wider apices and narrower axial areas.
LM scalebar = 10 µm
Length Range
20-49.5 µm
20-49.5 µm
Width Range
4.7-7.4 µm
4.7-7.4 µm
Striae in 10 µm
17-24 dorsal, 19-27 ventral
17-24 dorsal, 19-27 ventral
Delicata alpestris
Length Range
17-51 µm
17-51 µm
Width Range
4.6-7.5 µm
4.6-7.5 µm
Striae in 10 µm
18-28 dorsal, 19-28 ventral
18-28 dorsal, 19-28 ventral
Delicata canadensis
Length Range
23-36 µm
23-36 µm
Width Range
4.1-5.4 µm
4.1-5.4 µm
Striae in 10 µm
18-22 dorsal, 20-25 ventral
18-22 dorsal, 20-25 ventral
Delicata montana
Length Range
23-46 µm
23-46 µm
Width Range
5.1-7.6 µm
5.1-7.6 µm
Striae in 10 µm
16-18 center (dorsal) up to 24 at the apices; 18-25 ventral side
16-18 center (dorsal) up to 24 at the apices; 18-25 ventral side