It blows holes in many of our classic ideas of Triassic ‘mammal-like reptiles’,” said Dr Grzegorz Niedzweidzi, part of a team from Sweden’s Uppsala University who assisted the excavation.

The scientists on the team, who are from the Fukui Prefectural Dinosaur Museum in Katsuyama, the Ono City Board of Education and elsewhere, also said a fossil of a mammal-like reptile has been ...

Marine reptiles, such as ichthyosaurs, plesiosaurs and mosasaurs are not dinosaurs. Nor is Dimetrodon or other reptiles in the same group (previously called 'mammal-like reptiles' and now called ...

(Yes, even dolphins.) But in the churn of natural selection, some mammals ended up with appendages that look like they should be found on a reptile, bird, or insect. That’s convergent evolution ...

While we can easily distinguish a creature like a jaguar from a reptile or a bird in the modern world, however, mammals as we ...