底生 ていせい動物 どうぶつじゃなかったです
teiseidōbutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 底生動物

1. Was not a benthic animal.; Wasn't a bottom-dwelling organism.

Past/Perfective
Negative
Polite
Casual Register
Zoology