Ray-finned fishes, the most diverse living vertebrate clade, include over 600 extinct early actinopterygian species whose evolution is an enigma.

By analyzing tail length and muscle power, paleontologists have explained the physics behind a mosasaur's deadly ability to lunge toward its prey.

Island ecosystems feature unique species assemblages with diverse evolutionary histories, but identifying island communities in deep time comes with its own challenges. This Perspective explores the a...

Diversity and disparity in mammalian fossil assemblages of the John Day Formation, Oregon, USA

YouTube video by Regalius

Raven Amos (aka alaskanime)'s Shop

Planned sale of rare Nanotyrannus follows record price of $50.1mn for a Tyrannosaurus called ‘Gus’ this year

Inspired by my recent article on South American wild dogs , I went to the trouble of digging out a very brief TetZoo ver 2 article I published in 2007 on the remarkable and beautiful 'fox on stilts...