Features of shell and size
Smooth and firm hard shell, medium to large (Height up to 53 mm and length up to 55 mm), it is sub circular.
Sculpture low radial ribs of variable width, anterior and posterior margins are narrower and central part of shell are often sparse.
Ribs crossed by numerous fine and sometimes streams of commarginal lamellae are found to reconnect.
Anterior and posterior dorsal areas are raised to reflect a finely nodular sculpture.
Colors
| Shell external |
Shell margin |
Shell internal |
| White with umbonal areas tinged dark pink |
Deep pink to white |
Bright yellow within the pallial line |
Shapes
It comes with a short crescent-shape, or heart shaped, deeply impressed and asymmetrical.
Key features found on valves
| Right Valve |
Left Valve |
| 2 cardinal teeth |
1 cardinal teeth |
| large anterior lateral close to cardinals |
anterior lateral close to cardinal |
| vestigial posterior lateral |
low posterior lateral |
The anterior adductor scar is short and tapering, detached for 1/2 of length. |