つたようかいじゃなかったです
蔦葉貝じゃなかったです
tsutayō kaijanakattadesu

Noun
Desu Copula

The polite, past negative form of つたのはがい

1. Wasn't a climbing hydrangea shell.; Wasn't a climbing hydrangea mollusk.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana