So are Vel'koz and the rift herald of the same family of void creature?

I mean we have insectoid void creatures like and 's voidlings

We have lizard like void creatures like and

Would and rift herald fall under the "watcher" phylum or something?

It might be genus, or family, or order sorry im not quite brushed up on my biology

My point though is that they both leave behind an eye when the main body dies which allows them to be resummoned. Which is rather unique compared to the other void creatures.

Just some thoughts