https://eunis.eea.europa.eu/species/439322
Balanophyllia (Balanophyllia) europaea - (Risso, 1826)
Balanophyllia (Balanophyllia) europaea belongs to the Invertebrates group
risso
https://ceb.wikipedia.org/wiki/Balanophyllia_stimpsonii
Balanophyllia stimpsonii - Wikipedia
wikipedia