Corosaurus: Research Database Theropoda · Cretaceous · Unknown Research Note: Corosaurus 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 RIEPPEL 1998: Corosaurus and related taxa Zoological Journal of the Linnean Society Confirmed A 1998 Fossil RIEPPEL, … Read more
In Depth From the outset the name Cryptoclidus does not sound all that special, but when you translate it to English to mean ‘hidden collarbone’ it raises a few eyebrows. The genus name is actually in reference to the very small clavicle that is buried within the shoulder girdle that controls the front limbs, or … Read more
Rhomaleosaurus: Research Database Rhomaleosauridae (Plesiosauria) · Early Jurassic (~195–190 MYA) · Europe — England (Lower Jurassic) Research Note: Rhomaleosaurus was a rhomaleosaurid plesiosaur from the Early Jurassic of England. As a large-bodied plesiosaur, it provides important data on marine reptile diversity and ecological roles in the Early Jurassic seas of Europe. Research Finding … Read more
Pliosaurus: Research Database Pliosauridae (Sauropterygia) · Late Jurassic (~155-145 MYA) · Europe — England, France, Germany Research Note: Pliosaurus was a genus of large marine pliosaur reptiles that dominated Jurassic seas. With massive skulls reaching 2-3 meters and powerful bite forces, it was one of the top marine predators of the Mesozoic. Pliosaurus macromerus and … Read more
Predator X: Research Database Theropoda · Cretaceous · Unknown Research Note: Predator X 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 Denno Finke Langellotto 2005: Predator X and related taxa Ecology Of Predator-Prey Interactions Confirmed A … Read more
Polycotylus: Research Database Polycotylidae (Plesiosauria) · Late Cretaceous (~80–70 MYA) · North America — Kansas, Morocco (Niobrara Formation / Phosphates) Research Note: Polycotylus was a polycotylid plesiosaur from the Late Cretaceous of North America and Morocco — a short-necked plesiosaur with a distinctive long skull. As a member of the Polycotylidae, it provides data … Read more
Stenorhynchosaurus: Research Database Theropoda · Cretaceous · Unknown Research Note: Stenorhynchosaurus 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 Páramo-Fonseca Gómez-Pérez Noé 2016: Stenorhynchosaurus and related taxa Revista de la Academia Colombiana de Ciencias Exactas, Físicas … Read more
Nothosaurus: Research Database Reptilia (Ichthyosauria) · Middle-Late Triassic (~240-210 MYA) · Asia — China Research Note: Nothosaurus was a marine reptile from the Triassic of China — an important taxon for understanding the early evolution of marine reptiles during the Triassic period. Research Finding Status Grade Year Method Citation Impact Jiang & Maisch … Read more
In Depth When first named in 1979, Dravidosaurus was described as a stegosaurid dinosaur, and given that the holotype was in a Coniacian of the late Cretaceous aged deposit, possibly the last stegosaur to exist. However, this claim seems to have been made prematurely, as in 1991 a palaeontologist named Sanker Chatterjee visited the site … Read more
In Depth Sachicasaurus is a genus of large brachauchenine pliosaur that lived in waters around South America during the early Cretaceous. Like other similar pliosaurs, Sachicasaurus is noted for having shorter jaws, and hence reduced number of teeth. Further Reading - A new large pliosaurid from the Barremian (Lower Cretaceous) of S�chica, Boyac�, Colombia. Earth … Read more