ちゃいろさなぎかいであれば
茶色蛹貝であれば
chairosanagikaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of ちゃいろさなぎがい

1. If it is a brown pupa shell:; If it’s a brown pupa bivalve.

Ba Conditional
Usually Written in Kana