What are some examples of Triassic dinosaurs that are only known from fragmentary remains, making their classification difficult?

Jun 15, 2015 ... One of the missing links in our understanding of the Triassic Period – between 252 and 201m years ago – is why there were so few dinosaurs ... 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 ... 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 ... Feb 4, 2020 ... Thalattosaurs were marine reptiles that lived more ... Triassic Period, when their distant relatives — dinosaurs — were first emerging. The northern forests at the beginning of the Triassic were ... See this National Park Service pdf on the Triassic dinosaurs and other animals of Petrified Forest ... Tyrannosaurus rex lived during the Late Cretaceous Period, about 72 million years ago. Stegosaurus was extinct for 66 million years before Tyrannosaurus walked ... Feb 9, 2002 ... The Triassic dinosaurs wore much smaller than those living in the successive periods of the Mesozoic. They were mostly slender and few reached a ... Feb 24, 1997 ... The fossil record reveals that dinosaurs first appeared in the Triassic Period, between 250 to 213 million years ago. It also indicates that ... Aug 8, 2018 ... They slithered their way out of the dinosaur era alive and lived to tell the 'tail'. ... Triassic period. In 2008, scientists discovered ... Nov 14, 2023 ... Many Triassic dinosaurs lived during the Late Triassic Period, and the Procompsognathus is among those animals. Also, like many Triassic ...