crayfish-fossil-bg

 

kerevit22

 

7a7d865fd7af8d644844c9882fb2c6f3

 

lg7a

 

Archaeopteryx_main_0125

 

Figure11

 

2-129

 

dark-wing

 

mKZFZImZGrDboHl3WxM3K6A

 

images-24

 

carboniferous_permian_unconformity

 

showimage.php

 

images-25

 

1210608fossil-1

 

article-2104771-0033148C00000258-90_306x423

 

dinosaur_eggs

 

7923f9999a

 

xinsrc_5521103301642125110032

 

c-fossil-park

 

images-27

 

r

 

article-1340756-0C8F308B000005DC-533_634x397

 

article-2543464-1ADAF58200000578-896_634x364

 

NECESSARY CONDITIONS FOR FOSSIL FORMATION:

1.  RAPID BURIAL

Advertisements