North America, Gove County, Kansas, Niobrara Formation Smoky Chalk, Late Cretaceous Period, ca. 80 to 65.5 million years ago. A beautiful pterodactyl wing from Pteranodon longiceps, displayed with 16 bones articulated in a frame. If unfurled, the wing would be nearly 4 feet long! The pteriod (bone found only in pterosaurs, connecting the wrist to support the propatagium, the membrane structure of the wing) and all 4 phalanxes (wing finger) are present. Size: 22.2" W x 22.75" H (56.4 cm x 57.8 cm)
Pterosaurs, flying reptiles who lived in the vicinity of the Western Interior Sea that occupied what is now the American midwest during the late Cretaceous, were the first vertebrates to fly. They had hollow, air-filled bones, membranous wings supported by the elongated fourth finger of each hand, and a fused upper skeletal system that supported the huge muscles they used to power their wings. They also had large, bird-like brains and were presumably quite intelligent animals. They ranged in size from about that of a modern robin to the massive Quetzalcoatlus whose wingspan was comparable to that of a Cessna! Many of their remains have been found in the Smoky Hill Chalk of western Kansas, which would have been hundreds of miles from the nearest shoreline (near to present-day Denver), suggesting that the massive creatures migrated across the sea.
Provenance: private J.H. collection, Beaverton, Oregon, USA
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#150137
Condition
The fossils are embedded in the matrix, and the matrix and the fossils have all been painted with a stabilizing coat. Professionally prepared with some small areas of restoration and some small losses; the fossil appears to be about 80-90% original material.