And your welcome @olivia-mccrindld ! Glad we could help ! Upper Ireland is apparently known for its large horn corals. There are 3 large genera I know of. The last person to post before you was at the Siphonophyllia beds in Sligo.

Greetings @olivia-mccrindld ! We have actually seen several several horn coral specimens from Ireland and Northern Ireland posted here over the past couple years. If it weren’t for its small size I would say you might have something like a Siphonophrentis. At any rate, it is probably safe to assume that this is a streptalasmatid horn coral. What…[Read more]