Nimravides the similarities between them at first glance, based on autapomorphies in the skeleton, the two animals are too different to be classified as species of the same genus, and thus, "Nimravides" remains separate as its own genus within the Homotherini. Nimravides Nimravides is a genus of extinct saber-toothed cats that lived in North America during the middle and late Miocene, between 13.6 and 4.9 Ma. Despite its scientific name, "Nimravides" does not belong to the Nimravidae, but is a true cat, belonging to the family Felidae. "Nimravides catacopsis", one of the largest and latest species, was quite large, measuring at
Felidae Conservation Fund field support, supplies and equipment to its project partners to help them achieve their research goals. To link this scientific research to conservation efforts, Felidae incorporates the results of field studies into its outreach and education programs. These include talks and presentations throughout the US, collaborations with artists and video producers to convey the conservation message through visual media, and online projects aimed at educating young people through an interactive portal, an online and mobile phone game, and social network activities. In its field work and conservation efforts FCF collaborates with the following organizations: National Park Service, California State Parks,