Naming
This species has five different subspecies:⤷ ''A. i. amplicostatus''
⤷ ''A. i. concentricus''
⤷ ''A. i. irradians''
⤷ ''A. i. sablensis'' - a fossil subspecies
⤷ ''A. i. taylorae'' Petuch, 1987 - the southern bay scallop
References:
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