Assertion: cuttlefish's cephalopod | /r/CapableOf | exist on earth
Facets:
value: since the cambrian period
type: TEMPORAL
Source sentences:
text: Somewhat surprisingly, cephalopods have existed on earth ever since the Cambrian period; paleontologists have identified over two dozen (much smaller and much less intelligent) genera that plied the world's oceans over 500 million years ago.