Actinia equina (Linnaeus, 1758) (additional source)
Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859) (additional source)
Diadumene cincta Stephenson, 1925 (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Sagartia elegans (Dalyell, 1848) accepted as Cylista elegans (Dalyell, 1848) (additional source)
Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (additional source)

Dutch Exclusive Economic Zone for Actinia equina (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Actinia equina (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Cerianthus lloydii Gosse, 1859 
Dutch Exclusive Economic Zone for Diadumene cincta Stephenson, 1925 
Dutch Exclusive Economic Zone for Metridium senile (Linnaeus, 1761) 
Dutch Exclusive Economic Zone for Sagartia elegans (Dalyell, 1848) 
Dutch Exclusive Economic Zone for Sagartia troglodytes (Price in Johnston, 1847) 
Dutch part of the North Sea for Diadumene lineata (Verrill, 1869)  (origin: alien)