|
|
|
|
Family: Laganidae |
Order: Clypeasteroida |
|
Locality: Roebuck Bay, Broome, W.A. |
Dimensions: 37 x 35 x 5 mm |
|
|
|
| Locality: West Australia (no details) | Dimensions: 35 x 31 x 5,6 |
 |
|
| In this specimen the periproct is transversely oval as described in the literature. | |
