Monotrypella briareus Bryozoan Fossil

This picture is of a Monotrypella briareus (Nicholson, 1875) bryozoan coral fossil. Might be under the genus Eridotrypa now. It existed during the Ordovician period. The fossil was found in Tyrone, Kentucky, USA. Fossil was on display at the Natural History Museum Vienna (Naturhistorisches Museum Wien) on August 2024.

Halysites catenularia Chain Coral Fossil

This picture is of a Halysites catenularia (Linnaeus, 1767) chain coral fossil. It existed during the Silurian period. The fossil was found in Drummond Island, Michigan, USA. Fossil was on display at the Natural History Museum Vienna (Naturhistorisches Museum Wien) on August 2024.

A fossil like this can be found in the Louisville, Kentucky USA area as well. Here is one on display at a Paris museum. https://louisvillefossils.blogspot.com/2022/11/halysites-catenularia-chain-coral-fossil.html

Heliolites murchisoni Coral Fossil

This picture is of a Heliolites murchisoni (Milne Edwards & Haime 1851) coral fossil. It existed during the Silurian period. The fossil was found in Dudley, England. Fossil was on display at the Natural History Museum Vienna (Naturhistorisches Museum Wien) on August 2024.