メキシコジムグリガエル ではありませんでした
mekishikojimugurigaerukadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of メキシコジムグリガエル科

1. Was not a Mexican burrowing toad.; Was not of the family Bufonidae (Mexican burrowing toads).

Past/Perfective
Negative
Polite
Formal Register