細縁 ほそへり亀虫 かめむしではありませんでした
hosoheri kamemushidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 細縁亀虫

1. Was not a slender-necked turtle.; Was not a small tortoise.

Past/Perfective
Negative
Polite
Formal Register