Organisers of the Omani Geological Heritage Exhibition in the Wilayat of Jabal Akhdar have invited the public to view a fossil dating back to the Triassic period, between 210 and 245 million years ago.
The specimen belongs to an ammonite, a long-extinct group of marine animals known for their distinct spiral shells containing numerous internal chambers.
Ammonites ranged in size from just two centimetres to over three metres, with the largest ever discovered estimated at 2.5 to 3.5 metres across and weighing roughly 3.5 tonnes when excavated.
The fossil on display in Oman shows a portion of the shell preserved inside sedimentary rock and is available for viewing at the Nama Services Hall.
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