A number of other vertebrates are known alongside Tingmiatornis from the locality on Axel Heiberg Island, including champsosaurs that measured 2 meters in length; fish including gar, bowfins, members of the extinct Vidalamiinae, and indeterminate teleosts; turtles, including Aurorachelys, Borealochelys, indeterminate eucryptodires, and indeterminate trionychids; and juvenile elasmosaurs, known from teeth.