Seychelles bivalves

[conchylinet]

Hello,
I found these bivalves beached in Mahé, Seychelles. can somebody help with their ID, even their family would be helpful.
Sizes are below each picture


[1] 14.5 mm


[2] 21 mm

[paul monfils]

I believe the first one may be Abra seychellarum.

[conchylinet]

Thanks Paul. I guess #2 is far too erroded to be identified. Perhaps a Lucinidae ?