1. From 544 million to about 230 million years ago
   - Paleozoic era, Palaeozoic [Brit, Cdn]

1. Of or relating to or denoting the Paleozoic era
   - Palaeozoic [Brit, Cdn]

Type of: era, geological era

Encyclopedia: Paleozoic

• micturate
• micturition
• micturition reflex
• mid
• mid-April
• mid-Atlantic
• Mid-Atlantic Ridge
• Mid-Atlantic states
• mid-August
• mid-calf
• mid-December
• mid-eighties
• mid-February
• mid-fifties
• mid-forties
• mid-January
• mid-July
• mid-June
• mid-March
• mid-May
• mid-nineties
• mid-November
• mid-October
• curve ball
• curved