Crassigyrinus: Research Database Theropoda · Cretaceous · Unknown Research Note: Crassigyrinus 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 Panchen 1985: Crassigyrinus and related taxa Philosophical Transactions of the Royal Society of London. B, Biological Sciences … Read more
Orthacanthus: Research Database Theropoda · Cretaceous · Unknown Research Note: Orthacanthus 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 Soler-Gijón 1997: Orthacanthus and related taxa Neues Jahrbuch für Geologie und Paläontologie – Abhandlungen Confirmed B 1997 … Read more
In Depth Yacarerani is a small notouchian crocodilomorph that lived in South America during the early stages of the Late Cretaceous. Yacarerani has a highly specialised dentition with the two most forward incisors in the lower jaw almost pointing directly forwards. The upper fore teeth also protrude forwards and these teeth may have been for … Read more
Narambuenatitan: Research Database Saltasauridae (Titanosauria: Sauropoda) · Late Cretaceous (~83–71 MYA) · North America — Mexico (Cerro del Pueblo Formation) Research Note: Narambuenatitan pitok was a saltasaurid titanosaur from the Late Cretaceous Cerro del Pueblo Formation of Coahuila, Mexico. Its name honours the Narambuen community. It provides data on titanosaur diversity in the latest … Read more
In Depth Boreonykus is a genus of dromaeosaurid dinosaur that lived in Canada during the late Cretaceous. Further Reading - A high-latitude dromaeosaurid, Boreonykus certekorum, gen. et sp. nov. (Theropoda), from the upper Campanian Wapiti Formation, west-central Alberta. - Journal of Vertebrate Paleontology e1034359. - P. R. Bell & P. J. Currie - 2015.
Therizinosaurus: Research Database Therizinosauridae · Late Cretaceous (~70 MYA) · Nemegt Formation, Mongolia Research Note: Therizinosaurus is one of the most bizarre dinosaurs — a giant bipedal animal with enormous claws up to 1 meter long. For decades, only the giant claws were known, leading to wildly speculative reconstructions. It belongs to the Therizinosauridae, a … Read more
In Depth Afrodon was a small eutherian mammal that seems to have been spread at least across Western Europe to the Western tip of North Africa. Add into account the broad temporal range of this mammal, and it seems that Afrodon was a very successful little mammal. Further Reading - Afrodon chleuhi nov. gen., nov. … Read more
In Depth Kaijutitan is a genus of titanosaur that lived in South America during the late Cretaceous. The name Kaijutitan is derived from the Japanese word ‘Kaiju’ which means ‘monster’. Further Reading - A new giant basal titanosaur sauropod in the Upper Cretaceous (Coniacian) of the Neuqu�n Basin, Argentina. - Cretaceous Research 100:61-81. - L. … Read more
Albertonectes: Research Database Plesiosauria (Sauropterygia) · Late Cretaceous (~70 MYA) · North America — Canada (Alberta) Research Note: Albertonectes was a long-necked plesiosaur from the Late Cretaceous of Alberta, Canada — known for its extraordinarily long neck and an important taxon for understanding plesiosaur evolution. Research Finding Status Grade Year Method Citation Impact … Read more
In Depth Described from a single partially preserved skull, Alexandronectes was an elasmosaurid plesiosaur that swam in the waters around what is now New Zealand during the late Cretaceous. These were dangerous waters as fossils of large mosasaurs such as Taniwhasaurus are also known from the same formation as Alexandronectes, and these predators were certainly … Read more