I believe it is, at least. It ought to be a species tag, not a character tag. ...but I can't change its tag type, as I'm just a basic user, and it has over 100 posts under its belt...

I'm pretty sure "koopaling" is just the name of their group. All the koopalings are just koopas

https://www.mariowiki.com/Koopalings

What makes "koopaling" a species? The seven of them are Koopas just like Bowser.