Acrocanthosaurus: Research Database Theropoda · Cretaceous · Unknown Research Note: Acrocanthosaurus was a theropoda from the Cretaceous of Unknown, providing important data on prehistoric life and ecosystem dynamics. Research Finding Status Grade Year Method Citation Impact Stovall Langston 1950: Acrocanthosaurus and related taxa American Midland Naturalist Confirmed A 1950 Fossil Stovall Langston, American … Read more
Rebbachisaurus: Research Database Rebbachisauridae (Sauropoda) · Late Cretaceous (~99–94 MYA) ·> Africa — Morocco (Kem Kem Basin) Research Note: Rebbachisaurus was a rebbachisaurid sauropod from the Late Cretaceous Kem Kem Basin of Morocco. As a member of Rebbachisauridae, it provides important data on sauropod diversity and evolution in the Cretaceous of Africa. Research … Read more
In Depth        Originally described as a species of Ophthalmosaurus†(‬O.†‬chrisorumâ€) ‬a†‬2010†‬study saw the specimens elevated to the level of a distinct genus of ichthyosaur.†‬Arthropterygius was also considered to be similar to Caypullisaurus,†‬but not all researchers have followed this and instead treat Arthropterygius as a basal†(‬primitiveâ€) ‬member of the Ophthalmosauridae.†… Read more
Diprotodon: Research Database Diprotodontidae (Marsupialia) · Pleistocene (~1.6 MYA-44,000 years ago) · Australia — widespread across the continent Research Note: Diprotodon was the largest marsupial that ever lived — a giant wombat-like creature standing 1.8 meters tall at the shoulder and weighing up to 2,700 kg. It was a cornerstone megafauna species across Pleistocene Australia, … Read more
In Depth        Paressonodon is a genus of multituberculatan mammal that lived in the USA during the late Cretaceous. Further Reading -†‬New Late Cretaceous mammals from northeastern Colorado with biochronologic and biogeographic implications.†‬-†‬Journal of Vertebrate Paleontology†‬30†(‬2â€)‬:†‬499â€â€“‬520.†‬-†‬Gregory P.†‬Wilson,†‬Marieke Dechesne†& ‬Ingrid R.†‬Anderson†‬-†‬2010.
Deltavjatia: Research Database Theropoda · Cretaceous · Unknown Research Note: Deltavjatia was a theropoda from the Cretaceous of Unknown, providing important data on prehistoric life and ecosystem dynamics. Research Finding Status Grade Year Method Citation Impact Tsuji 2013: Deltavjatia and related taxa Earth and Environmental Science Transactions of the Royal Society of Edinburgh … Read more
Dyrosaurus: Research Database Dyrosauridae (Crocodylomorpha) · Late Cretaceous (∼70 MYA) · North Africa Research Note: Dyrosaurus was a dyrosaurid crocodylomorph from the Late Cretaceous of North Africa. As a member of Dyrosauridae, it provides important data on the evolutionary history of marine crocodylomorphs in the Cretaceous. Research Finding Status Grade Year Method Citation … Read more
In Depth        Lemurosaurus is a genus of biarmosuchian therapsid that lived in South Africa during the late Cretaceous.†‬Although Lemurosaurus lived during the late Permian,†‬the genus is still noted as being primitive in form. Further Reading -†‬New fossil reptile genera from the Bernard Price Collection.†‬-†‬Annals of the Transvaal Museum†‬21†(‬1â€)‬:†… Read more
Archaeolemur: Research Database Theropoda · Cretaceous · Unknown Research Note: Archaeolemur was a theropoda from the Cretaceous of Unknown, providing important data on prehistoric life and ecosystem dynamics. Research Finding Status Grade Year Method Citation Impact King Godfrey Simons 2001: Archaeolemur and related taxa Journal of Human Evolution Confirmed A 2001 Fossil King … Read more
In Depth        Dalianraptor is a genus of primitive bird that lived in China during the early Cretaceous. Further Reading -†‬A new avian taxon from Lower Cretaceous Jiufotang Formation of western Liaoning.†‬-†‬Global Geology†‬24â€(‬4â€)‬:313-316.†‬-†‬C.-L.†‬Gao†& ‬J.-Y.†‬Liu†‬-†‬2005.