あまみきょくねずみじゃありませんでした
奄美棘鼠じゃありませんでした
amamikyokunezumijārimasendeshita

Noun
Desu Copula

The polite, past negative form of あまみとげねずみ

1. Was not an Amami spiny rat.; Was not a spiny rat from Amami.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana