Njalila

In Depth        Njalila is a genus of gorgonopsid therapsid that lived in Africa during the mid Triassic.‭ ‬Njalila is not known by many fossils,‭ ‬but we can observe that the genus had relatively short jaws but also narrow skull proportions.‭ ‬It is quite probable that Njalila was a niche predator,‭ ‬perhaps mostly hunting smaller animals. … Read more

Coloborhynchus

Coloborhynchus: Research Database Anhangueridae (Pterosauria) · Early Cretaceous (~140–120 MYA) · Europe — England (Wealden Group), Brazil   Research Note: Coloborhynchus was an anhanguerid pterosaur from the Early Cretaceous of England and Brazil. As a large-bodied pterosaur with distinctive grouped teeth adapted for catching fish, it provides important data on the diversity and paleobiogeography of … Read more

Ankylosaurus

ankylosaurus

Ankylosaurus: Research Database Theropoda · Cretaceous · Unknown   Research Note: Ankylosaurus 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 Carpenter 2004: Ankylosaurus and related taxa Canadian Journal of Earth Sciences Confirmed A 2004 Fossil Carpenter, Canadian … Read more

Lobalopex

In Depth        Lobalopex is a genus of burnetiamorph biarmosuchian therapsid that lived in South Africa during the Permian.‭ ‬As a burnetiamorph,‭ ‬Lobalopex would have been more closely related to genera such as Lophorhinus and Pachydectes than to Biarmosuchus. Further Reading -‭ ‬A New Burnetiamorph Therapsid from the Teekloof Formation,‭ ‬Permian of South Africa.‭ ‬-‭ ‬Journal … Read more

Palemydops

In Depth        Palemydops is a genus of anomodont therapsid that lived in South Africa during the Permian. Further Reading -‭ ‬On some new genera and species of anomodont reptiles from the Karroo beds of South Africa.‭ ‬-‭ ‬Proceedings of the Zoological Society of London‭ ‬647-674.‭ ‬-‭ ‬Robert Broom‭ ‬-‭ ‬1921.

Arganaceras

In Depth        Arganaceras was a pareiasaur that lived in Morocco during the late Permian.‭ ‬Like relative genera,‭ ‬Arganaceras would have been quadrupedal herbivores.‭ ‬A particularly close relative of the genus may have been Elginia. Further Reading -‭ ‬Les pareiasaures‭ (‬Amniota,‭ ‬Parareptilia‭) ‬du Permien supďż˝rieur du Bassin d’Argana,‭ ‬Maroc‭ ‬-‭ ‬N.-E.‭ ‬Jalil‭ & ‬P.‭ ‬Janvier‭ ‬-‭ … Read more

Taurovenator

Taurovenator: Research Database Theropoda (Dinosauria) · Late Cretaceous (~85 MYA) · South America — Argentina   Research Note: Taurovenator was a theropod from the Late Cretaceous of Argentina — an important taxon for understanding theropod diversity in the Cretaceous of South America.   Research Finding Status Grade Year Method Citation Impact Lockley et al. 2005: … Read more

Megalodon

Megalodon illustration

Megalodon: Research Database Otodontidae (Chondrichthyes) · Miocene-Pliocene (~23-3.6 MYA) · Global marine environments Research Note: Megalodon — the largest macropredatory shark to ever live — dominated Miocene and Pliocene seas with estimated body lengths of 15-20 meters. Its teeth are among the most common marine fossils worldwide, and its extinction around 3.6 million years ago … Read more

Edgarosaurus

In Depth        Edgarosaurus seems to have been one of the first polycoylid plesiosaurs to swim in the late Cretaceous Western Interior Seaway,‭ ‬a shallow sea that submerged much of central North American during the Cretaceous.‭ ‬Like its relatives,‭ ‬Edgarosaurus had a typical plesiosaur body but a short neck an elongated jaws,‭ ‬features reminiscent of the … Read more

Aublysodon

Aublysodon: Research Database Tyrannosauroidea? (Theropoda) · Late Cretaceous (~68–66 MYA) · North America — USA, Montana, Wyoming (Hell Creek Formation)   Research Note: Aublysodon was a small tyrannosauroid theropod from the latest Cretaceous Hell Creek Formation of western North America. As one of the few known small tyrannosauroids from the very end of the Age … Read more