User:Abyssal/Prehistory of North America/DYK/46

... that Paul S. Martin and Paul Sidney Martin both worked as anthropologists at the University of Arizona in the early 1970s?
... that fossils of Eucommia constans are the youngest and most southerly examples of Eucommia in North America?
... that the Eocene maple Acer clarnoense is not found in the Clarno Formation even though the species was named after it?
...that the mounds of Indian Mound Park on Dauphin Island, Alabama are composed of oyster shells discarded over centuries by migrant Indians?
... that the early Eocene maple species Acer douglasense is the second-oldest maple known from Alaska?

... that Xochipala-style figurines (pictured) are considered some of the earliest and most naturalistic in Mesoamerica?
... that archeologist Anna Curtenius Roosevelt, the great-granddaughter of Theodore Roosevelt, described a pre-Columbian civilization in Brazil as having "outstanding indigenous cultural achievements"?
... that Urocyon progressus, a species of extinct fox, was formally described after two bones and a tooth were found?
... that the extinct Pliocene pine Pinus matthewsii is thought to have been a colonizing tree?
... that the extinct fly Schwenckfeldina archoica has spines on its genitalia?