つたようかいなら
蔦葉貝なら
tsutayō kainara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of つたのはがい

1. If/when it is a *tsudzugai* (a type of clam); When being a *tsudzugai* (clam)

Nara Conditional
Usually Written in Kana