This picture is of a Monotrypella briareus (Nicholson, 1875) bryozoan coral fossil. Might be under the genus Eridotrypa now. It existed duri...

This picture is of a Halysites catenularia (Linnaeus, 1767) chain coral fossil. It existed during the Silurian period. The fossil was found ...

This picture is of a Heliolites murchisoni (Milne Edwards & Haime 1851) coral fossil. It existed during the Silurian period. The fossil...