# Paleozoic era > 538.8 mya - 251.9 mya 538.8 mya - 251.9 mya 다음과 같이 나뉜다. - [캄브리아기(Cambrian period)](https://wiki.g15e.com/pages/Cambrian%20period.txt): 538.8 - 486.85 mya - <테르뇌브세(Terreneuvian epoch)>: 538.8 - 521 mya - <캄브리아기 제2세(Cambrian Series 2)>: 521 - 506.5 mya - <푸룽세(Furongian epoch)> 506.5 - 486.85 mya - [오르도비스기(Ordovician period)](https://wiki.g15e.com/pages/Ordovician%20period.txt): 486.85 - 443.1 mya - <전기 오르도비스기(Early Ordovician)>: 486.85 - 471.3 mya - <중기 오르도비스기(Middle Ordovician)>: 471.3 - 458.2 mya - [후기 오르도비스기(Late Ordovician)](https://wiki.g15e.com/pages/Late%20Ordovician.txt) 458.2 - 443.1 mya - [실루리아기(Silurian period)](https://wiki.g15e.com/pages/Silurian%20period.txt): 443.1 - 419.62 mya - <란도베리세(Llandovery epoch)>: 443.1 - 433.4 mya - <웬록세(Wenlock epoch)>: 433.4 - 426.7 mya - <러들로세(Ludlow epoch)>: 426.7 - 423.0 mya - <프리돌리세(Pridoli epoch)>: 423.0 mya - 419.62 mya - [데본기(Devonian period)](https://wiki.g15e.com/pages/Devonian%20period.txt): 419.62 - 358.86 mya - <전기 데본기(Early Devonian)>: 419.62 - 393.47 mya - <중기 데본기(Middle Devonian)>: 393.47 - 382.7 mya - [후기 데본기(Late Devonian)](https://wiki.g15e.com/pages/Late%20Devonian.txt): 382.7 - 358.86 mya - [석탄기(Carboniferous period)](https://wiki.g15e.com/pages/Carboniferous%20period.txt): 358.86 - 298.9 mya - <전기 미시시피기(Early Mississippian)>: 358.9 - 346.7 mya - <중기 미시시피기(Middle Mississippian)>: 346.7 - 330.3 mya - <후기 미시시피기(Late Mississippian)>: 330.3 - 323.2 mya - <전기 펜실베니아기(Early Pennsylvanian)>: 323.2 - 315.2 mya - <중기 펜실베니아기(Middle Pennsylvanian)>: 315.2 - 307.0 mya - <후기 펜실베니아기(Late Pennsylvanian)>: 307.0 - 298.9 mya - [페름기(Permian period)](https://wiki.g15e.com/pages/Permian%20period.txt): 298.9 - 251.902 mya - <시스우랄세(Cisuralian epoch))>: 298.9 - 272.95 mya - <과달루페세(Guadalupian epoch)>: 272.95 - 259.1 mya - [러핑세(Lopingian epoch)](https://wiki.g15e.com/pages/Lopingian%20epoch.txt): 259.1 - 251.902 mya