A geological time period occurring approximately 443.8 to 419.2 million years ago.

सिल्यूरियन युग

English Usage: The Silurian Epoch was marked by significant evolutionary developments in marine life.

Hindi Usage: सिल्यूरियन युग में समुद्री जीवन में महत्वपूर्ण प्रजातियों का विकास हुआ।