"Animalia"@en . "Maryvillia is an extinct genus from a well known class of fossil marine arthropods, the trilobites. It lived from 501-490 million years ago during the Dresbachian faunal stage of the late Cambrian Period."@en . "Maryvillia"@en . . . "Maryvillia"@en . . . . "Arthropoda"@en . "Maryvillia is an extinct genus from a well known class of fossil marine arthropods, the trilobites. It lived from 501-490 million years ago during the Dresbachian faunal stage of the late Cambrian Period."@en . . . "Maryvillia"@en .