Guzhangian (1 Jan 500500000 Jahr v. Chr. – 1 Jan 497000000 Jahr v. Chr.)
Beschreibung:
The Guzhangian is an uppermost stage of the Miaolingian Series of the Cambrian. It follows the Drumian Stage and precedes the Paibian Stage of the Furongian Series. The base is defined as the first appearance of the trilobite Lejopyge laevigata around 500.5 million years ago. The Guzhangian-Paibian boundary is marked by the first appearance of the trilobite Glyptagnostus reticulatus around 497 million years ago.Zugefügt zum Band der Zeit:
Datum:
1 Jan 500500000 Jahr v. Chr.
1 Jan 497000000 Jahr v. Chr.
~ 3502325 years