CHORDATES RISE UP (15 sept. 540000000 av. J.-C. – 15 mai 500000000 av. J.-C.)
Description:
Chordates have muscle segments, gill slits, dorsal nerve cords, and notochords; this phylum encompasses most modern lifeAjouté au bande de temps:
Date:
15 sept. 540000000 av. J.-C.
15 mai 500000000 av. J.-C.
~ 5883516 years