Cambrian
Cambrian Period යනු Paleozoic යුගයේ පළමු කාලපරිච්ඡේදය, එනම් වසර මිලියන 539-485 කට පෙර යුගය වේ.

ගැලරිය

ආශ්‍රිත 

 Cambrian–Ordovician extinction event – circa 488 mya
 Dresbachian extinction event—circa 499 mya
 End Botomian extinction event—circa 513 mya
 List of fossil sites (with link directory)
 Type locality (geology), the locality where a particular rock type, stratigraphic unit, fossil or mineral species is first identified

මූලාශ්‍ර

භාහිර සබැඳි 

 
 Biostratigraphy – includes information on Cambrian trilobite biostratigraphy
  Dr. Sam Gon's trilobite pages (contains numerous Cambrian trilobites)
 Examples of Cambrian Fossils
 Paleomap Project
 Report on the web on Amthor and others from Geology vol. 31
 Weird Life on the Mats
 Chronostratigraphy scale v.2018/08 | Cambrian

 
Geological periods