| Callistochiton crassicostatus Pilsbry, 1893 |
 |
|
SCUBA at a depth of 8-10 meters, Coast Guard breakwater, Monterey Bay, California 3/16/2007 (about 30 mm.). |
 |
| Callistochiton crassicostatus Pilsbry, 1893 |
|
|
|
SCUBA at a depth of 8-10 meters, Coast Guard breakwater, Monterey Bay, California 3/16/2007 (about 30 mm.). |
|
|