In Depth Dinaelurus is little known nimravid that is so far only known from the John Day Formation in Oregon, USA. Other North American nimravids that Dinaelurus could have possibly come into contact with include Hoplophoneus, Dinictis, Eusmilus and particularly the type genus of the Nimravidae, Nimravus. Further Reading Further reading- John Day Felidae in … Read more
In Depth Most nimravids were relatively small cat-like mammals that ranged between one and two metres in length, but Quercylurus was a giant when compared to these, something which leads to the popular comparison of Quercylurus being the size of a brown bear. This size would make Quercylurus comparable to some of the larger creodont … Read more
Eusmilus: Research Database Theropoda · Cretaceous · Unknown Research Note: Eusmilus 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 Ringeade Michel 1994: Eusmilus and related taxa Paléo Confirmed B 1994 Fossil Ringeade Michel, Paléo Taxonomy Peigné … Read more
In Depth Dinailurictis is so similar to another nimravid called Quercylurus that it has actually been considered to be a synonym to it. Also like with Quercylurus, Dinailurictis has also been considered to be a synonym to Nimravus, the type genus of the Nimravidae. However not all researchers are convinced by these ideas, one reason … Read more
In Depth Nimravus - Not a Cat! Nimravus is the type genus of the Nimravidae group of mammals that are better known as the ‘false sabre-toothed cats’. This is because while Nimravus and others like it looked like the big cats, they actually evolved from a different line of mammals than the true cats that … Read more
In Depth Eofelis is one of the better known nimravids from Western Europe. Initially there was only one species but re-evaluation of the known fossils has determined that the larger specimens are actually those of a distinct species from the smaller remains, leading to the creation of E. giganteus. Further Reading – A new species … Read more
Desmatosuchus: Research Database Aetosauria (Archosauria) · Late Triassic (~230–220 MYA) · North America — USA, Texas, New Mexico (Cooper Canyon Formation, Chinle Group) Research Note: Desmatosuchus was a large aetosaur from the Late Triassic of Texas, famous for its massive shoulder and flank osteoderms — plate-like bony armor that covered its body. As one … Read more
In Depth A little known nimravid, Pogonodon seems to have had a wide distribution from the USA to the Ukraine as well as existing for around twenty-three and half million years. This suggests that Pogonodon would have been one of the most successful genera of nimravid so far known. Further Reading Further reading- Scientific news. … Read more