WHAT CAN BE THIS MESOZOIC FOSSILIZED STRUCTURE THAT GROWS IN LAYERS? This is an open request for colleagues around the world:

(CLICK ON THE TITLE TO SEE THE IMAGES) This fossilized structure was found close to several coelacanth bones, from the Late Jurassic – Early Cretaceous of Uruguay (South America). The...

01 January 1970 9,460 9 View