This picture is of an Aulopora (Goldfuss, 1829) horn coral fossil. It existed during the Devonian period. The fossil was found in Caledonia, New York, USA. Fossil was on display at the Natural History Museum Vienna (Naturhistorisches Museum Wien) on August 2024.
This picture is of horn coral fossils. It existed during the Silurian period. The fossil was found in Gotland Sweden. Fossil was on display at the Natural History Museum Vienna (Naturhistorisches Museum Wien) on August 2024.
Learn more: https://fossiilid.info/7897?mode=in_baltoscandia
