Corosaurus

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

Cryptoclidus

cryptoclidus 1

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

rhomaleosaurus

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

pliosaurus 1

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

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

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

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

nothosaurus

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

Dravidosaurus

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

Sachicasaurus

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