User:Abyssal/Prehistory of North America/DYK/7

...that eighty years on, scientists are still debating whether the Palæozoic fossils known as Chitinozoans (SEM image pictured) represent plants, animals or eggs?
... that in 1968 American archaeologist A. Ledyard Smith received the Order of the Quetzal from the Guatemalan government for his services to the cultural heritage of the country?
... that the extinct, Triassic, bivalve family Cassianellidae may have evolved from the family Bakevelliidae, which survived longer into the Eocene?
... that one species of the extinct Eocene bulldog ant Ypresiomyrma reached up to 25 millimetres (0.98 in) in length?
... that Bruce Erickson, an American paleontologist, has a collection of about a million specimens of ancient fossils?

... that the ancient Maya architectural complex of Tazumal, in El Salvador, contained some of the earliest known metal artefacts from Mesoamerica?
... that the newly named extinct prawn Aciculopoda is the third unambiguous fossil decapod from before the Mesozoic?
... that at the time of description, the extinct Tilia johnsoni (pictured) was the oldest basswood macrofossil occurrence?
... that despite damage from a tramway, the Deffenbaugh Site is one of the most valuable archaeological sites in Fayette County, Pennsylvania?
... that although no Mississippian copper plates have ever been found at Cahokia, it is the only Mississippian culture site where a copper workshop has been located by archaeologists?