ほうおうかいじゃなかったです
鳳凰貝じゃなかったです
hōōkaijanakattadesu

Noun
Desu Copula

The polite, past negative form of ほうおうがい

1. Wasn't a phoenix shell.; Wasn't a phoenix clam.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana