In the old days, the biggest dinosaur discoveries were often found in clay or tar pits. Late last week, a scientist at the Berlin Natural History Museum announced the discovery of an unheard of leptocleidid plesiosaur that had sat for more than 100 years without being properly classified in a drawer, naming the dinosaur Gronausaurus wegneri.
In the old days, the greatest dinosaur breakthrough discoveries were often found in clay or tar pits. Late last week, a scientist at the Berlin Natural History Museum revealed the discovery of an unheard of leptocleidid plesiosaur that had sat for more than 100 years without being appropriately categorized in a drawer, naming the dinosaur Gronausaurus wegneri.
Resources:
http://www.spiegel.de/international/germany/berlin-researcher-discovers-new-dinosaur-species-a-901005.htm