A Large Ornithurine Bird (Tingmiatornis arctica) from the Turonian High Arctic: Climatic and Evolutionary Implications

• Main Author: John Tarduno
• Format: Dataset
• Language: unknown
• Published: Arctic Data Center 2018
• Subjects: Arctic; Paleoclimate; Ornithurine; Cretaceous; evolution; Austin; Canada; Heiberg; Axel Heiberg Island; Expedition Fiord
• Online Access: https://doi.org/10.18739/A21G0HV6M

Bird fossils from Turonian (ca. 90Ma) sediments of Axel Heiberg Island (High Canadian Arctic) are among the earliest North American records. The morphology of a large well-preserved humerus supports identification of a new volant, possibly diving, ornithurine species (Tingmiatornis arctica). The new...