せたしじみじゃありませんでした
瀬田蜆じゃありませんでした
setashijimijārimasendeshita

Noun
Desu Copula

The polite, past negative form of せたしじみ

1. Was not Setada-shijimi.; Was not a Setada-shijimi clam.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana