A new bone in the skull of an iconic fossil animal that represents the 'missing link' between fish and all land-dwelling vertebrate animals has been found by researchers from the University of Bristol ...

A new study of Tiktaalik roseae (middle), a 375-million-year-old transitional fossil, highlights an intermediate step between the condition in fish like Eusthenopteron (bottom) and that in early ...

Animalia Chordata Vertebrata Pisces Osteichthyes Sarcopterygii Crossopterygii Rhizodontidae Metadata Usage ...

The world’s earliest evidence of bone marrow has been discovered in the fin of a 370-million-year-old fish. The findings, published in the journal Proceedings of the Royal Society B, reveal how ...