Asmodochelys parhami: A new species of Ctenochelyid Turtle from the Late Cretaceous of Alabama and Mississippi.
[sciencythoughts.blogspot.com]
Sea Turtles, Chelonioidea, are the most ancient group of living Marine Tetrapods, with s fossil record dating back about 90 million years. However, the exact age of the group is debatable, as it is not clear which fossil species should be included within the Crown Group Turtles (i.e. the group that includes everything descended from the last common ancestor of all living Sea Turtles), and which species represent Stem Group Turtles (i.e. members of groups which branched off from the main Turtle lineage before the last common ancestor of all all living Sea Turtles, and which may therefore represent separate invasions of the marine environment. In particular the position of the Protostegids, a group of marine Turtles that appear in the fossil record around 30 million years before any other marine Turtle group, is considered highly problematic, as the Protostegids appear 30 million years before any other Marine Turtle group.
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Posted by JoeBKite-like structures in the western Sahara Desert.
Posted by TriphidAn Aussie Indigenous Message Stick.
Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.
Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.
Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.
Posted by TriphidIndigenous Australian Aboriginal Rock art dated somewhere between 20 and 30 thousand years old.
Posted by JoeBDortoka vremiri: A new species of Dortokid Turtle from the Late Cretaceous of the Hațeg Basin, Romania.
Posted by JoeBThe Cabeço da Amoreira burial: An Early Modern Era West African buried in a Mesolithic shell midden in Portugal.
Posted by JoeBMusivavis amabilis: A new species of Enantiornithine Bird from the Early Cretaceous Jehol Biota of northeastern China.
Posted by JoeBTorosaurus in Canada.
Posted by JoeBStone tools from the Borselan Rock Shelter, in the Binalud Mountains of northeastern Iran.
Posted by JoeBDating the Lantian Biota.
Posted by JoeBBashanosaurus primitivus: A new species of Stegosaur from the Middle Jurassic of Chongqing Municipality, China.
Posted by JoeBDetermining the time of year when the Chicxulub Impactor fell.
Posted by JoeBSão Tomé and Príncipe: Possibly the last country on Earth never to have been visited by a working archaeologist.
Posted by JoeBMambawakale ruhuhu: A new species of Pseudosuchian Archosaur from the Middle Triassic Manda Beds of Tanzania.