Quaestio (genus)

Quaestio Temporal range: Ediacaran 565 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Genus:	†Quaestio
Species:	†Q. simpsonorum
Binomial name
†Quaestio simpsonorum

Quaestio is an early motile marine animal which lived 555 million years ago in the Upper Ediacaran. It is the earliest known animal to bear evidence of left-right asymmetry. The type species is Q. simpsonorum.