ぎゃくまきがいじゃありません
逆巻貝じゃありません
gyakumakigaijārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of さかまきがい

1. It is not a gyroid shell.; It is not that type of shell.

Negative
Polite
Terminal Form
Usually Written in Kana