User:Abyssal/Prehistory of South America/DYK/16




 * ...that American lions were probably cave lions who crossed the Bering land bridge into Alaska?


 * ... that Riojasuchus was an ornithosuchid that is known from four skeletons and lived about 217 to 215 million years ago?


 * ... that in 8,000 BCE the Paiján people of northern Peru used needle-like projectile points mounted on hollow shafts of cane or reed as harpoons to catch fish?


 * ... that a new species of the extinct ant Archimyrmex was described in 2012?


 * ... that members of the extinct bivalve genus Hemiconcavodonta are unique in the subfamily Concavodontinae in that their teeth point in two directions?