User:Abyssal/Prehistory of Europe/DYK/20

... that the recently named rhamphorhynchid Bellubrunnus (restoration pictured) from the Jurassic of Germany is the only known pterosaur to have wing tips that curved forward?
... that the extinct, Triassic, bivalve family Cassianellidae may have evolved from the family Bakevelliidae, which survived longer into the Eocene?
...that the earliest scientifically dated cemetery in the United Kingdom was found at Aveline's Hole, one of the Caves of the Mendip Hills in Somerset, England?
...that the Barnenez Mound (pictured) in Brittany, France, is a cairn with 11 chambers built of 13,000 to 14,000 tons of stone dating to about 4500 BC, making it one of the earliest megalithic monuments in Europe?
...that Endre Berner, Bjørn Føyn, Carl Jacob Arnholm, Eiliv Skard, Harald K. Schjelderup and Anatol Heintz were among the professors at the University of Oslo who were arrested by Nazis during World War II?

... that the 500-million-year-old Cambrian predator Hurdia was thought to be a number of separate organisms for 100 years, until the complete animal was reconstructed in March 2009?
... that the type specimen of the extinct whip scorpion Graeophonus carbonarius was originally identified as a species of dragonfly?
... that the extinct snakefly Amarantoraphidia ventolina is named for air beings of the Cantabrian mythologies?
... that over the course of the history of stegosaur research, their iconic back plates have been thought to function as armor plating, to regulate body temperature, or to attract mates?
... that the many examples of extinct 48-million year old bat genus Palaeochiropteryx (life restoration pictured) found in the Messel lake may have drowned after being rendered unconscious in flight by poisonous volcanic gases?