In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...
The growth and lifespan of Parvancorina minchami, small anchor-shaped animals that lived on the seafloor about 550 million ...
However, they didn’t appear in the fossil record enough to gather any relevant information about them. Dr. McCurry continued that the scientists didn’t know when this group of ...