Machairasaurus whole refers to the sabre-like claws of the hand. The holotype, IVPP V15979, was found in layers of the Bayan Mandahu dating from the late Campanian. It mainly consists of a left frontlimb, including the lower end of the lower arm, two carpal bones and a complete hand. Also some fragmentary foot elements were present. The other find is the paratype, IVPP V15980, consisting of a very fragmentary skeleton including tail vertebrae, chevrons, ribs, phalanges of the hands, fragments of the second and fourth metatarsals and pedal phalanges. Five oviraptorid specimens associated with a nest, the female having been found
Halving the Bones years prior to the events depicted in the documentary. In Japan, when someone is cremated, their bones are not reduced to ash. Instead, half are preserved and split between the descendants. The rest of the bones are buried in a cemetery. Ruth is given a fragment of skull, a small part of a rib, and an unidentified bone to bring back the United States for her mother who did not attend the funeral. Reluctant to give the bones to her mother, Ruth lets the bones sit in a tea can on her shelf in her closet. Years pass by, and