Coelacanth - Wikipedia
Most Mesozoic coelacanths belong to the order Latimerioidei, which contains two major subdivisions, the marine Latimeriidae, which contains modern coelacanths, as well as the …
The World’s Oldest “Living Fossil” Is Shaking Up Conventional ...
2024年9月12日 · Groundbreaking fossil research links plate tectonics with significant evolutionary shifts, exemplified by a well-preserved Devonian coelacanth in Western Australia. This …
The African coelacanth genome provides insights into tetrapod evolution
2013年4月17日 · The protein-coding genes of the coelacanth are slowly evolving, which perhaps explains how similar today's coelacanth looks to its 300-million-year-old fossil ancestors.
Coelacanth | Smithsonian Ocean
Evolution. The coelacanth's evolutionary relationships are a matter of controversy. There are several competing hypotheses and many unresolved questions, in large part owing to the …
Coelacanth genomes reveal signatures for evolutionary transition …
Coelacanths may be key to elucidating the tempo and mode of evolution from fish to tetrapods. Here, we report the genome sequences of five coelacanths, including four Latimeria …
A Late Devonian coelacanth reconfigures actinistian phylogeny
2024年9月12日 · We reveal a major shift in morphological disparity between Devonian and post-Devonian coelacanths. The newly described fossil fish fills a critical transitional stage in …
Not a living fossil: How the Coelacanth recently evolved dozens of …
2021年2月9日 · The capture of the first living Coelacanth, a mighty ocean predator, off the coast of South Africa caused quite a stir in 1938, 65 million years after its supposed extinction. It...
Ancient relative of 'living fossil' fish reveals that geological ...
2024年9月12日 · Primeval fish that were thought to be "living fossils," largely unchanged since the time of the dinosaurs, are actually evolving dramatically — and they evolved faster when …
Coelacanths - National Geographic
Many scientists believe that the unique characteristics of the coelacanth represent an early step in the evolution of fish to terrestrial four-legged animals like amphibians.
Coelacanths as “almost living fossils” - Frontiers
2014年8月12日 · Several morphological studies have shown that the coelacanth lineage (Actinistia) has not displayed critical morphological transformation during its evolutionary …
Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly
2013年4月19日 · Ancient fish's DNA evolved more slowly than that of other fish or animals. In the deep sea, slow and steady wins the race—and that proverb is reflected in the genes of the …
Early Mesozoic burst of morphological disparity in the slow …
2023年7月13日 · Here, we report the discovery of a new clade of ancient latimeriid coelacanths representing a small flock of species present in the Western Tethys between 242 and 241 …
'Coelacanth' Genome Unlocked - Scientific American
2013年4月17日 · Ancient lobe fins were the first vertebrates to brave the land, and the coelacanth genome is expected to reveal much about the origins of tetrapods, the evolutionary line that …
The ‘living fossil’ that thrived during a mass extinction
2024年9月12日 · Also called Latimeria, coelacanths are a deep-sea fish found off eastern Africa and Indonesia today. This new “exceptionally well-preserved” ancient and primitive coelacanth …
Exceptional new fish fossil sparks rethink of how Earth’s geology ...
2024年9月12日 · New species of coelacanth were more likely to evolve during periods of heightened tectonic activity, as seismic movement transformed habitats. Are coelacanths still …
Why Coelacanths Are Almost “Living Fossils”? - Frontiers
2022年5月22日 · Starting from the importance underlined above of the generation time in the estimation of the nucleotide substitution rate, and evolution rate in general, recent studies …
‘Living fossil’ genome unlocked - Nature
2013年4月17日 · Ancient lobe fins were the first vertebrates to brave the land, and the coelacanth genome is expected to reveal much about the origins of tetrapods, the evolutionary line that …
We scanned one of our closest cousins, the coelacanth, to learn …
2019年4月17日 · 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 …
Neurocranial development of the coelacanth and the evolution …
2019年4月17日 · Our results shed light on the interplay between the neurocranium and its adjacent soft tissues during development in Latimeria, and provide insights into the …
Giant Mesozoic coelacanths (Osteichthyes, Actinistia) reveal high …
2021年6月3日 · Although taxic diversification and morphological evolution are slow in coelacanths, their fossil record indicates that large and small species coexisted, which calls …