SCIENCE|natural and applied sciences|earth sciences
- an ré Phailéasóch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Palaeozoic era | Palaeozoic | Paleozoic
- en
- Definition era between the Precambrian aeon and the Mesozoic era [ IATE:1118922 ] Reference Oxford dictionaries, http://www.oxforddictionaries.com/definition/english/palaeozoic?q=palaeozoic+ [11.8.2016]