English noun: Paleozoic era | |||
1. | Paleozoic era (time) from 544 million to about 230 million years ago | ||
Synonyms | Paleozoic | ||
Instance hypernym | era, geological era | ||
Part holonym | Age of Fishes, Cambrian, Cambrian period, Carboniferous, Carboniferous period, Devonian, Devonian period, Ordovician, Ordovician period, Permian, Permian period, Silurian, Silurian period | ||