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Showing results for tags 'middle devonian to permian'.
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From the album: MY FOSSIL Collection - Dpaul7
Goniatites Fossil SITE LOCATION: Morocco TIME PERIOD: Middle Devonian to Permian - (390-139 million years ago) Data: Goniatids, informally Goniatites, are ammonoid cephalopods that form the Order Goniatiida, derived from the more primitive Anarcestida during the Middle Devonian some 390 million years ago. Goniatites (goniatitida) survived the Late Devonian extinction to flourish during the Carboniferous and Permian only to become extinct at the end of the Permian some 139 million years later. All goniatites possessed an external shell, which is divided internally into chambers -
From the album: MY FOSSIL Collection - Dpaul7
Goniatites Fossil SITE LOCATION: Morocco TIME PERIOD: Middle Devonian to Permian - (390-139 million years ago) Data: Goniatids, informally Goniatites, are ammonoid cephalopods that form the Order Goniatiida, derived from the more primitive Anarcestida during the Middle Devonian some 390 million years ago. Goniatites (goniatitida) survived the Late Devonian extinction to flourish during the Carboniferous and Permian only to become extinct at the end of the Permian some 139 million years later. All goniatites possessed an external shell, which is divided internally into chambers
