I have a specimen labeled Mirapecten thaanumi.  As usual, various
references seem to disagree on the validity of that name.  I have found
references to Mirapecten mirificus thaanumi and Chlamys thaanumi.

Is thaanumi considered a species or is it a subspecies of mirificus?

My references place Chlamys and Mirapecten in different subfamilies,
Chlamydinae and Pectininae, respectively.  Which is the correct genus
for thaanumi?

I know we have some Pecten experts on the list.  I would appreciate your
assistance.
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Cecil N. Bankston
Baton Rouge, LA USA