The species " Piksi barbarulna " and a few potential pteranodontids and nyctosaurs have all been found dating from the Campanian to the Maastrichtian ages of the Late Cretaceous period .
Head entity: campanian Q492941 20
Tail entity: late cretaceous Q338199 27 28
Relation (head \u2192 tail): P527
Inverse relation (tail \u2192 head): P361