5 words in this vocabulary list
noun a native or inhabitant of Siluria, an ancient region of Wales, or a member of an extinct Celtic tribe that inhabited this region
adjective relating to or characteristic of the Silurian period, which is a geological period lasting from approximately 443 to 419 million years ago
noun a geologic period that occurred approximately 299 to 251 million years ago, known for its diverse plant and animal life
noun a period of the Paleozoic era, from about 416 to 359 million years ago, known for its diverse marine life and the first appearance of many types of fish
noun a noun is a word that represents a person, place, thing, or idea. In this case, 'Devonian' is a noun referring to a geological period in the Paleozoic Era.
noun the Paleozoic era
adjective relating to or denoting the era between the Precambrian eon and the Mesozoic era, comprising the Paleozoic era.