Color Rays main content.

Color Rays

A heterodon Silhouette Left
Alasmidonta heterodondwarf wedgemussel
L ochracea Full
Leptodea ochraceatidewater mucket
Color rays when present may be valuable for identification. The arrangement and width of the rays is a diagnostic character for several species in our area.
A undulata Full
Alasmidonta undulatatriangle floater 
L radiata Silhouette Small
Lampsilis radiataeastern lampmussel
The color rays are the darker green stripes or bands that are highlighted against the lighter yellow- green of the periostracum.