User:Abyssal/Prehistory of North America/DYK/8


 * ... that a small fetus is preserved in the holotype fossil of the extinct stingray Asterotrygon?
 * ... that James L. Swauger continued his archaeological work with petroglyphs for fifteen years after his nominal retirement?
 * ... that what is now the southwestern United States was at one time connected to East Antarctica according to the SWEAT model?
 * ... that the extinct rose species Stonebergia columbiana is named for its type locality of British Columbia?
 * ... that the Classic Period Maya archaeological site of Quiriguá in Guatemala has what is possibly the largest free-standing worked monolith (pictured) in the New World?
 * ... that paleontologists have discovered the fossilized eggs of cephalopods, fishes, and reptiles, with some dinosaur eggs (pictured) being preserved with pathological shell deformities?
 * ... that fossils of the extinct hazelnut relative Coryloides were informally identified as palm nuts first?
 * ... that the Ph.D dissertation of taphonomist Kay Behrensmeyer suggested that sauropods were terrestrial?
 * ... that the extinct sumac Rhus rooseae was described from fossils over 35 million years old?
 * ... that the extinct hazel species Corylus johnsonii (fruit pictured) resembles three modern hazels found in China?