Untitled timeline

Main

Conodonts

1/1/200 - 1/1/510

extinct chordates resembling eels

placodermi

1/1/350 - 1/1/420

early jawed fish

acanthostega

1/1/365

a fishopod, limbs suggest it was unable to pull itself up onto land

Eusthenopteron

1/1/380

fishopod - has ray fin elements still but they are supported by a bony elelment

Tiktaalik

1/1/380

fishapod - appears to have a functional elbow unlike eusthenopteron. forelimb had a humerus which splits into a radius and ulna

anaspida

1/1/410 - 1/1/430

jawless fish

Pteraspidomorph

1/1/480

An agnathan/ jawless fish

haikouella

1/1/530

first craniate

Cambrian explosion

1/1/540