Identifying new corys: C. adolfoi or C. duplicareus?

I recently bought seven new corys, sold as C. adolfoi. But after visual inspection of the their pectoral spines, I've determined that all are C. duplicareus.

[@Constantine_Cvl8]

This is very useful, thanks for uploading

[@Bekateen]

Thank you😊

[@YouGruff]

excellent upload

[@Bekateen]

Thank you.

[@aquaristikschweiz5890]

I wold say thes Fishs are Corydoras Dublicares

[@Bekateen]

Yes, these are all duplicareus.

[@aquaristikschweiz5890]

Bekateen but very nice fish

[@Bekateen]

Thanks. :-)

[@TREEMEISTER.]

Wow, you got me checking mine now!! I’ll update later 👍

[@Bekateen]

It's easy to do. Thanks for sharing.

[@TREEMEISTER.]

@@Bekateen Mine do not have obvious serrations. I conclude they are Corydoras Adolfoi.