Color Rays
Alasmidonta heterodon |
Leptodea ochracea | 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. |
Alasmidonta undulata |
Lampsilis radiata | The color rays are the darker green stripes or bands that are highlighted against the lighter yellow- green of the periostracum. |