原生 げんせい せい物界 ぶっかいじゃなかったです
genseiseibu' kaija nakattadesu

Noun
Desu Copula

The polite, past negative form of 原生生物界

1. Wasn't a protist.; Wasn't in the protist kingdom.

Past/Perfective
Negative
Polite
Casual Register