Superorder Dinosauria, Order Ornithischia, Suborder Cerapoda, Superfamily
Hadrosaurodea, Family Hadrosauridae, Subfamily Hadrosaurinae (genus Edmontosaurus,
Time: Late Cretaceous
fossil bone is 41 mm in length by 75 mm high
Hell Creek Formation, Harding County, South Dakota
Edmontosaurus is a genus of crestless duck-billed dinosaur. Edmontosaurus
was one of the largest hadrosaurids, measuring up to 13 meters (43
ft) long and weighing around 4.0 metric tons (4.4 tons). It is known
from several well-preserved specimens that include not only bones,
but in some cases extensive skin impressions and possible gut contents.
It was an herbivore that could move on both two legs and four. Edmontosaurus
is thought to have lived in groups, and may have been migratory
as well. It is well represented in the fossil record.
the Fossil Mall associates purchased a large lot of dinosaur, reptile
and mammal material from our primary collector. He lives in Montana
and has over fifteen years of field collecting experience. Ten days
were spent in obtaining this lot. The fossils
were discovered in Cretaceous stream channel deposits. Some were
surface collected as float, many were partially eroded out of the
low-lying surrounding gullies and bad lands. The work of discovery
continued upon his return home. There the specimens had to be cleaned
and identified, a long and tedious process that lasted many days.
Upon completion, all the specimens were photographed, notated and
submitted to us at the Fossil Mall for consideration of purchase.
Needless to say, we bought the whole batch.
regarding the legality of these fossils. Our provider only collects
on private ranch and farmlands of Montana and S. Dakota. His relationships
with these landowners have been cultivated over many years of door
knocking and often difficult negotiations. Our collector, in the
beginning stage of a possible collecting arrangement, cannot even
contemplate a deal until he has walked the land holdings to discover
if there are ancient remains to be found.