| Common Name | Clear sundial |
| Language | English |
| Type | FAO |
| Official Trade Name | No |
| Rank | 3 - (Other common name) |
| Country | United Kingdom |
| Locality | |
| Ref. | Poutiers, J.M., 1998 |
| Life Stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st Modifier | color pattern(s) |
| 2nd Modifier | |
| Remarks | 'sundial', i.e., an ancient instrument used to show the time of day by the shadow of a stick on a usually flat or cylindrical surface; species in this family are flat and round with alternating dark and clear ridges as if in a sundial. |