Echidna - Wikipedia
The fossil evidence of invertebrate-feeding bandicoots and rat-kangaroos, from around the time of the platypus–echidna divergence and pre-dating Tachyglossus, show evidence that echidnas expanded into new ecospace despite competition from marsupials.
First-ever images prove 'lost echidna' not extinct - BBC
Spiky, furry and with a beak, echidnas have been called "living fossils". They are thought to have emerged about 200 million years ago, when dinosaurs roamed the Earth. What is biodiversity...
Echidna | Definition, Habitat, Lifespan, Species, & Facts | Britannica
2024年11月19日 · The oldest known fossil echidna was recovered from an eastern Australian cave deposit from about 17 million years ago (during the early Miocene Epoch). Although the material is fragmentary, it suggests that basic echidna characteristics, such as the birdlike toothless skull and robust skeleton specialized for digging, had evolved by this time.
Fossil echidnas - Comparative Brain Anatomy
The fossil evidence of invertebrate-feeding bandicoots and rat-kangaroos, from around the time of the platypus–echidna divergence and pre-dating Tachyglossus, show evidence that echidnas expanded into new ecospace despite competition from marsupials.
Scientists Find ‘Lost’ Echidna Species for the First Time in 60 Years
2023年11月13日 · An expedition team exploring the Cyclops Mountains in Indonesia has captured the first-ever photographic evidence of an elusive species of echidna in the wild.
Creatures great and small: Origins of monotremes revealed
2022年3月28日 · Monotremes are iconic Australasian species – as the only egg-laying mammals alive today, the platypus and echidna continue to fascinate us. But the origins of these species have continually raised questions for scientists – why aren’t they more present in the fossil record and why can we only find them in Australia and New Guinea?
Why Are Echidnas Considered “Living Fossils”? - Deer of the World
Echidnas, along with platypuses, are part of a unique group of mammals called monotremes, which are known for their egg-laying abilities. Their survival through massive extinction events, coupled with their ancient characteristics, has earned them the title of “living fossils.”
Echidnapus identified from an ‘Age of Monotremes’ - Science
2024年5月26日 · Professor Flannery said the research reveals that 100 million years ago, Australia was home to a diversity of monotremes, of which the platypus and the echidna are the only surviving descendants.
Echidnas (Tachyglossidae) - Encyclopedia.com
Fossil records for echidnas are scarce. The first tachyglosssid fossil, a long-beaked echidna (Zaglossus robusta = Megalibgwilia), found in a gold mine at Gulgong, New South Wales in 1895 was about 15 million years old.
'Echidnapus' fossil of potential echidna and platypus ancestor …
2024年5月26日 · An ancient monotreme dubbed the "echidnapus", which shares platypus- and echidna-like characteristics, is one of three extinct species of egg-laying mammal unveiled by palaeontologists today.