A tiny fish fossil found far inland in Canada reveals new insight into the evolution of catfish, carp, and 2/3 of all ...

Male spotted ratfish have true teeth on a forehead appendage used for mating. Across vertebrates, teeth share many defining traits. Regardless of their shape, size, or sharpness, they stem from the ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate ...

A tiny fossil, Acronichthys maccognoi, rewrites fish evolution in North America and reveals how otophysans conquered freshwater habitats.

A 70-million-year-old fossil fish from Alberta, Acronichthys maccognoi, is the oldest North American otophysan. Its discovery ...

A University of Michigan researcher has discovered an early innovation in the way fish eat. A scientist from the University ...

Learn more about Xiphodracon goldencapensis, a long-snouted, sharp-toothed marine reptile that may serve as the missing link ...

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report June 24 th in the open-access journal PLOS ...

A new discovery by our team, published in the Swiss Journal of Palaeontology, shows the start of this process dates back more ...

Four-limbed vertebrates, known as tetrapods, have two enlarged areas in their spinal cords. The two enlargements have a ...