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The small fish is Coccocephalus wildi, a type of ray-finned fish. Living examples of ray-finned fish include swordfish and trout. It's a diverse group made up of about 30,000 species.
C. wildi was an early ray-finned fish – possessing a backbone and fins supported by bony rods called “rays” – that is thought to have been 6 to 8 inches long, swum in an estuary, and ate ...
This was an early ray-finned fish that likely ate small crustaceans, cephalopods, and aquatic insects while swimming around estuaries. Backbones and fins supported by bony rods called rays are a ...
For example, all living ray-finned fishes have an everted brain, meaning that the brains of embryonic fish develop by folding tissues from the inside of the embryo outward, like a sock turned ...
The CT-scanned skull of a 319-million-year-old fossilized fish, pulled from a coal mine in England more than a century ago, has revealed the oldest example of a well-preserved vertebrate brain.
Ray-finned fishes have backbones and fins supported by bony rods called rays. While soft tissues such as the brain normally decay quickly and very rarely fossilise, when this fish died, the brain ...
C. wildi was an early ray-finned fish – possessing a backbone and fins supported by bony rods called “rays” – that is thought to have been 6 to 8 inches long, swum in an estuary, and ate ...