How did the shape and size of the splenial bone (part of the lower jaw) in Triassic dinosaurs relate to the structure of their lower jaw?

May 17, 2001 ... Dinosaur communities were separated by both time and geography. ... At the beginning of dinosaur history (the Triassic Period), there was one ... Jul 10, 2018 ... iant dinosaurs lived on Earth much earlier than previously thought, according to a team of excavators in Argentina who discovered the ... Sep 22, 2022 ... ... dinosaurs were in fact lizard-hipped. The results are reported in the ... periods/Mesozoic era/Triassic period; /Physical sciences/Earth ... The first dinosaurs lived in the early Triassic. Other reptiles also lived in this period, such as plant-eating rhynchosaurs. Fish and turtles swam in the sea, ... Jul 21, 2024 ... Ichthyosaurs, which dominated the Triassic period, had already begun their decline. Prehistoric fish were abundant, as were squids and sharks, ... The Triassic period is a part of the geologic timescale where the precursors to dinosaurs (a type of crocodile-like reptiles called archosaurs) were the ... Mar 24, 2023 ... ... Triassic period. The fossils have been key to understanding ... were early dinosaurs. Dicynodonts were stocky like rhinos with tusks ... May 30, 2023 ... The record of dinosaurs in North America begins during the Late Triassic, approximately 225 million years ago. These early dinosaurs were mostly ... Nov 27, 2024 ... ... Triassic period (between 237 million and 201 million years ago). By ... Dinosaurs were able to better adapt to this shifting climate ... The dinosaur tracks were found in what was the shoreline sediments along the margins of lakes and streams. The fossils indicate that the Newark Supergroup was ...