周辺 しゅうへん しゅ分化 ぶんかじゃありませんでした
shūhenshu bunkajārimasendeshita

Noun
Desu Copula

The polite, past negative form of 周辺種分化

1. Was not peripheral speciation.; Was not allopatric speciation.

Past/Perfective
Negative
Polite
Terminal Form