ユビナガガエル じゃなかったです
yubi nagagaerukajanakattadesu

Noun
Desu Copula

The polite, past negative form of ユビナガガエル科

1. Wasn't a narrow-mouthed frog.; Wasn't of the narrow-mouthed frog family.

Past/Perfective
Negative
Polite
Casual Register