Portal:Paleontology/On this day/August 21

August 21:

• 1833 - During the second voyage of the HMS Beagle, Charles Darwin revisited the fossil sites near Punta Alta, Argentina that he studied the previous year.

New Insights into Non-Avian Dinosaur Reproduction and Their Evolutionary and Ecological Implications: Linking Fossil Evidence to Allometries of Extant Close Relatives

Jan Werner, Eva Maria Griebeler

published 21 Aug 2013

• 2015 - A man named Stjepan Sucec discovered a megalodon tooth while hunting for shells in the Kupa River near Pokupsko, Croatia. Sucec's megalodon was once an inhabitant of the region's Miocene-Pliocene Pannonian Sea.