User:Abyssal/Prehistory of South America/DYK/2




 * ... that modern humans have been found to inhabit various countries for periods ranging from almost 200,000 years to less than 800 years?


 * ... that a fossil of Concavodonta described in 1843 has been lost?


 * ...that Santanachelys gaffneyi is the earliest known sea turtle?


 * ... that fossils of the extinct bivalve family Praenuculidae have been found on every continent except Antarctica?


 * ... that Decuriasuchus may be the first known archosaur to exhibit group behavior?