User:Abyssal/Prehistory of North America/DYK/20

... that the extinct witchalder Fothergilla malloryi (pictured) is the oldest confirmed member of the genus Fothergilla?
... that excavation at the Ashworth Archaeological Site in Indiana was halted because of the owner's religious beliefs?
... that the extinct Chamaecyparis eureka is the oldest confirmed member of the genus Chamaecyparis?
... that the extinct ants Azteca alpha carried larvae of the nematode Formicodiplogaster myrmenema?
... that the Mesa Oil Field is within the Sespe and Vaqueros Formations, which together form the second-most-prolific oil-producing geologic unit in Southern California?

... that a human skull was found from the Ratcliff Site "perforated with seven holes, and had evidently been held as a trophy, the holes being the score of enemies slaughtered in battle by the wearer"?
... that Fig Island includes one of the largest and most complex Late Archaic shell rings in North America, and one of the best preserved circular shell rings?
...that Cetartiodactyla is a hypothesis based on DNA that suggests whales and hippos are related?
...that the only excavated stand-alone timber circles in the British Isles are those at Seahenge in Norfolk and the early phases of The Sanctuary in Wiltshire?
... that the big-headed fly Metanephrocerus belgardeae expanded the known range for the genus to North America?