チビナガヒラタムシ じゃありませんでした
chibi naga hiratamushikajārimasendeshita

Noun
Desu Copula

The polite, past negative form of チビナガヒラタムシ科

1. Was not a flatworm.; Was not of the family Turbellaria.

Past/Perfective
Negative
Polite
Terminal Form