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Oldest known sex chromosome emerged 248 million years ago in an octopus ancestor
three species of squid, and the chambered nautilus (Nautilus pompilius). They found the ZZ/Z0 pattern in the squid and the octopus, but not in the nautilus, a more distantly related species. This ...
Center for Biological Diversity8y
Saving the chambered nautilus
The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...
Live Science20d
380 million-year-old remains of giant fish found in Australia. Its 'living fossil' descendant, the coelacanth, is still alive today.
What do the ginkgo (a tree), the nautilus (a mollusc ... This 'ancient' monster fish may live for 100 years Few vertebrate species spark as much curiosity as the coelacanth, as much for the ...
Forbes2mon
A Biologist Spotlights 4 ‘Invincible’ Animals That Survived The 5 Mass Extinctions
The nautilus has existed on Earth for around 500 ... effects of mass extinctions that impacted surface and shallow-water species. Nautiluses feed on a diet of small fish, crustaceans and carrion.
Biologists discover a new fossil species of prehistoric fish
What do the ginkgo (a tree), the nautilus (a mollusk ... and lungs. Few vertebrate species spark as much curiosity as the ...
National Geographic news3y
To mate, this octopus gives life and limb
1. Name game This species of octopus is also known as the paper nautilus (the shell it builds to hold its eggs is made of paper-thin calcium carbonate). The Chinese name for the species translates ...