Megaraptor: Research Database Megaraptoridae (Theropoda) · Late Cretaceous (~85–80 MYA) · South America — Argentina (Portezuelo Formation, Patagonia) Research Note: Megaraptor was a large megaraptorid theropod from the Late Cretaceous of Argentina — one of the largest known theropods from South America, with enormous curved claws suggesting a powerful predatory arsenal. As a member … Read more
In Depth Pulanesaura is a genus of sauropod dinosaur that lived in South Africa during the early Jurassic. Though only known from partial remains and with much of the neck missing, available fossils do show that Pulanesaura was already developing the very long neck that would be a signature feature of the sauropods by the … Read more
In Depth Huangshanlong is a genus of sauropod dinosaur that lived in China during the mid Jurassic. Unfortunately, because only a couple of forelimb bones have been used to describe the genus, not much can be said about this dinosaur. The describers were of the opinion that Huangshanlong repesented a mamenchisaurid sauropod, a type of … Read more
In Depth When described in 2015, Probrachylophosaurus made headlines around the world, when it was often dubbed ‘superduck’. This was because Probrachylophosaurus was proposed to be the transitional link between the non-crested genus Acristavus, and the later Brachylophosaurus which has a flat paddle shaped bony crest. Probrachylophosaurus itself has a much smaller triangular crest which … Read more
Lythronax: Research Database Tyrannosauridae (Theropoda) · Late Cretaceous (~80–78 MYA) · North America — USA (Wahweap Formation, Utah) Research Note: Lythronax was a tyrannosaurid theropod from the Late Cretaceous of Utah — the so-called “southern tyrannosaur” that lived in what is now the American Southwest during the late Campanian. Its name means “gore tooth” … Read more
In Depth Qianzhousaurus is a genus of medium sized tyrannosaurid dinosaur that lived in China during the late Cretaceous, and at the time of its description, unlike any other tyrannosaur previously seen. Some Asian tyrannosaur genera such as Alioramus have been noted for having gracile builds and proportionately slightly longer snouts than their larger cousins … Read more
Vulcanodon: Research Database Vulcanodontidae (Sauropoda) · Early Jurassic (~202–196 MYA) · Africa — Zimbabwe (Karoo equivalents) Research Note: Vulcanodon is one of the oldest known true sauropods, from the Early Jurassic of southern Africa. It was a relatively small sauropod compared to later giants, but established key anatomical features of the group — including columnar … Read more
Tyrannosaurus: Research Database Tyrannosauridae · Late Cretaceous (~68-66 MYA) · Western North America — Hell Creek Formation Research Note: Tyrannosaurus is the most famous dinosaur and one of the most thoroughly studied. Known from dozens of specimens ranging from juveniles to adults, it dominated the latest Cretaceous of North America as an apex predator. Research … Read more
Concavenator: Research Database Mammalia · Oligocene · Europe — Spain (Minorca) Research Note: Concavenator was a giant lagomorph from the Oligocene of Europe — the largest known rabbit to have ever lived, representing an island dwarfism scenario in reverse (gigantism) on the island of Minorca. Research Finding Status Grade Year Method Citation Impact … Read more
In Depth Fossils of Sibirotitan were first found in Russia during the 1950s, but not named until the disarticulated bones were put together and finally given a name in 2018. At the time of the genus description, Sibirotitan was regarded as one of the oldest titanisauriform sauropod dinosaurs on the Asian continent. Further detail than … Read more