User:Abyssal/Prehistory of North America/DYK/25


 * ... that members of the extinct bivalve family Bakevelliidae have shells made from rectangular calcium prisms and mother of pearl?
 * ... that the early dinosaur-like animal Lagerpeton was only 70 cm long?
 * ... that leaves of the fossil maple Acer palaeorufinerve resemble the living redvein maple?
 * ... that Paul S. Martin and Paul Sidney Martin both worked as anthropologists at the University of Arizona in the early 1970s?
 * ... that Protostephanus was the first extinct wasp genus in the family Stephanidae to be described from a fossil?
 * ... that archaeologists found pottery shards at the Bowen site linking it to the Oliver Phase of woodland culture development?
 * ... that a new twin pyramid complex (east pyramid pictured) was built at the Maya city of Tikal every twenty years to celebrate the end of a Maya calendrical cycle?
 * ... that highlights from the history of ceratopsian research include the discovery of the iconic Triceratops (skeletal mount pictured), spike-frilled Styracosaurus, and vast bonebeds preserving thousands of Centrosaurus?
 * ... that the extinct crab Metacarcinus starri from Washington state is related to the graceful rock crab?
 * ... 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?