Simplify the following text for a Grade 11 native English-speaking person.
Original: The trilobite , inarticulate brachiopod , archaeocyathid , and eocrinoid faunas of the Cambrian were succeeded by those that dominated the rest of the Paleozoic , such as articulate brachiopods , cephalopods , and crinoids .
Simplified: The articulate brachiopods , cephalopods , and crinoids took over .