Can someone identify these bivalves (attached to Placuna shells) from Arabian Sea? Do they belong to Pinctada (Pteriidae)?

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Alan R Kabat

Looks almost like a Capulidae or even Amathinidae! Can you lift or remove the shells to expose the underside?

Shahnawaz Gul

Yes! Soon I will photograph inside.

Norma Afiati

Dear Shanawaz

Not sure for the big picture of the 3 individuals, might be Capulidae. But the two smaller pictures at the bottom are Pinctada species to me..good luck.

Yes! Dear Norma, they are looking Pinctada species! thanks.

Thanks Dr. Henk.

Saedul Bibi

Very nice collection...For my humble openion, Unidentified bivalve – 18 (It could be Pinctada margaritifera cf. I’m not sure about that) and Ub- 17 it seems to Capulidae family agree with @ Allan R Kabat.