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Articles on Tetrapods

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Harajicadectes cruises through the ancient rivers of central Australia ~385 million years ago. Brian Choo

A 380-million-year old predatory fish from Central Australia is finally named after decades of digging

For decades, the sandstone in central Australia yielded tantalising segments of some sort of fossil fish. Now, we have finally pieced together a complete picture of this remarkable species.
Three 3D views of Bradysaurus baini specimen (FMNH UC 1533). Scale bar equals 50 cm. Published in Van den Brandt et al. 2023 Credit: Fabio Manucci and Marco Romano

Meet the gigantic extinct reptile that weighed as much as an adult black rhino

Large pareiasaurs are among the earliest huge plant-eating tetrapods to appear in the history of the development of life on Earth.
The living coelacanth in its natural environment off the South African coast. Laurent Ballesta, Gombessa expeditions, Andromede Oceanology Ltd (from the book Gombessa, meeting with the coelacanth)

We scanned one of our closest cousins, the coelacanth, to learn how its brain grows

The discovery of a living coelacanth fish rocked the world in 1939, as scientists thought they had died out with the dinosaurs. A new study illuminates how its skull and tiny brain develop.
Artistic reconstruction of two Tiarajudens males during combat in the Permian of southern Brazil. Supplied

Ancient plant eating cousins from Brazil and South Africa are reunited

New evidence shows marked similarities between two fossils – one from Brazil, the other South Africa. This confirms compelling geological findings that continents were once one giant land mass.
An predecessor to the tetrapods – the extinct lobe-finned fish Tiktaalik roseae Wikimedia Commons

These genes are made for walking – another step from fins to limbs

It’s one of the most tantalising questions in evolutionary biology: how did our aquatic ancestors first move from water onto land? Thanks to research published today in PLOS Biology, new light has been…

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