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A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today, a new ...
A 69-million-year-old skull found in Antarctica belonged to what scientists say is the oldest known modern bird.. An early relative of the continent’s ducks and geese, it lived off the Antarctic ...
The skulls found in South Africa average to be around 40 millimeters in length, while the skulls found in Antarctica are only marginally larger, averaging to be about 55 mm in length. [ 3 ] Skull Roof
Image of James Ross Island, where Trinisaura's fossils were discovered. Fossils of Trinisaura were first collected in 2008 by Juan Moly and Rodolfo Coria, members of the Antarctic Summer Campaign that had been mounted by Instituto Antártico Argentino to the fossilferous exposures of the Santa Marta Cove on James Ross Island, Antarctica.
The animals inhabiting Antarctica at this time would still have had to endure long periods of darkness during the winter, much like in modern-day Antarctica. [18] Despite being found in marine sediment, Antarctopelta, like all ankylosaurs, lived on land. Other ankylosaurs have also been found in marine sediments, likely as a result of carcasses ...
They bear similarities to modern depictions of aliens with elongated skulls, slanting eyes and flat noses. These traits, researchers say, are characteristic of figurines from the Ubaid culture.
The elongated canines had open roots (indicating continuous growth) and were embedded deep in the skull and maxilla along the border of the nasal bones, extending almost to the orbits. The orbital cavity was located in the center of the skull, and it had a single lacrimal foramen, with well-developed lacrimal pits positioned anterior to the orbits.
A 2020 study found numerous differences between the skulls of large and small specimens, formalizing the proposal to divide the two into separate species. Moreover, a histological investigation revealed that one small specimen, PIMUZ T 1277, was a skeletally mature adult at a length of only 1.5 meters (4.9 ft).