The Earliest fish appeared in the Cambrian as compact filter feeders; they ongoing to evolve throughout the Paleozoic, diversifying into a lot of forms. The earliest fish with committed respiratory gills and paired fins, the ostracoderms, had major bony plates that served as protective exoskeletons versus invertebrate predators. These shops https://maps.app.goo.gl/kTisAZCbSjAw6nkX8