Talk:Rou/@comment-208.169.65.209-20150428233928/@comment-98.221.3.160-20150525222121

Grabbing this from an author info-dump: http://ncode.syosetu.com/n5909v/

standard species -> subspecies -> rare species -> new species = extinct species.

When it was written... four years ago, that's the extent of what the author differentiated. So we're probably looking at translators reading things differently and giving different versions.