Sentences with phrase «known vertebrate fossils»

In 2014, Conway Morris was part of the team that discovered Metaspriggina: one of the oldest - known vertebrate fossils, perhaps over 500 million years old, which displayed hints of a gill structure, as well as the muscle arrangement of an active swimmer.

Not exact matches

(We know and can see that bacteria evolve quite a bit faster than vertebrates, and once an organism has adapted to its environment sufficiently, evolutionary pressure is lessened — «living fossils»)

The newly described species (artist's representation shown), which lived between 220 million and 230 million years ago, was one of the largest in a group of amphibians known as metoposaurs and is the first known in this region from well - preserved fossils, the researchers report online today in the Journal of Vertebrate Paleontology.

Marine reptiles were among the first vertebrate fossils known to science and were key to the development of the theory of evolution.

All major groups of animals — an entire kingdom of multicellular life that today includes insects, worms, shellfish, starfish, sea anemones, coral, jellyfish, and vertebrates like us — bloomed suddenly in the fossil record during an evolutionary extravaganza known as the Cambrian explosion, which occurred 530 million years ago.

All previous fossil evidence for these earliest known four - limbed vertebrates has been found in river deltas and lakes.

Most vertebrate fossils are known from a very limited number of places on Earth, so Christian's goal of understanding the geographic complexity of extinction and recovery is a big one.