Campanulina lacerata (Johnston, 1847) accepted as Opercularella lacerata (Johnston, 1847) (basis of record)
Laomedea dichotoma (Linnaeus, 1758) accepted as Obelia dichotoma (Linnaeus, 1758) (basis of record)
Laomedea gracilis M. Sars, 1851 accepted as Clytia gracilis (M. Sars, 1851) (basis of record)

Boulogne-sur-Mer for Abietinaria filicula (Ellis & Solander, 1786) 
Boulogne-sur-Mer for Hydrallmania falcata (Linnaeus, 1758) 
Boulogne-sur-Mer for Nemertesia antennina (Linnaeus, 1758) 
Boulogne-sur-Mer for Sertularella polyzonias (Linnaeus, 1758) 
Den Helder for Cordylophora caspia (Pallas, 1771) 
Doggersbank for Abietinaria abietina (Linnaeus, 1758) 
Doggersbank for Filellum serpens (Hassall, 1848) 
Doggersbank for Hydrallmania falcata (Linnaeus, 1758) 
Doggersbank for Lafoea dumosa (Fleming, 1820) 
Doggersbank for Laomedea geniculata (Linnaeus, 1758) 
Doggersbank for Laomedea geniculata (Linnaeus, 1758) 
Doggersbank for Laomedea geniculata (Linnaeus, 1758) 
Doggersbank for Tubularia indivisa Linnaeus, 1758 
Dutch Exclusive Economic Zone for Abietinaria abietina (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Bougainvillia muscus (Allman, 1863) 
Dutch Exclusive Economic Zone for Bougainvillia ramosa (Van Beneden, 1844) 
Dutch Exclusive Economic Zone for Calycella syringa (Linnaeus, 1767) 
Dutch Exclusive Economic Zone for Campanularia hincksii Alder, 1856 
Dutch Exclusive Economic Zone for Campanularia volubilis (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Campanulina lacerata (Johnston, 1847) 
Dutch Exclusive Economic Zone for Clava multicornis (Forsskål, 1775) 
Dutch Exclusive Economic Zone for Coryne pusilla Gaertner, 1774 
Dutch Exclusive Economic Zone for Dicoryne conferta (Alder, 1856) 
Dutch Exclusive Economic Zone for Dynamena pumila (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Ectopleura dumortierii (Van Beneden, 1844) 
Dutch Exclusive Economic Zone for Eudendrium rameum (Pallas, 1766) 
Dutch Exclusive Economic Zone for Eudendrium ramosum (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Filellum serpens (Hassall, 1848) 
Dutch Exclusive Economic Zone for Halecium halecium (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Hydractinia carnea (M. Sars, 1846) 
Dutch Exclusive Economic Zone for Hydractinia echinata (Fleming, 1828) 
Dutch Exclusive Economic Zone for Hydrallmania falcata (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Lafoea dumosa (Fleming, 1820) 
Dutch Exclusive Economic Zone for Laomedea dichotoma (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Laomedea flexuosa Alder, 1857 
Dutch Exclusive Economic Zone for Laomedea geniculata (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Laomedea geniculata (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Laomedea geniculata (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Laomedea geniculata (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Laomedea loveni Allman, 1859 
Dutch Exclusive Economic Zone for Laomedea loveni Allman, 1859 
Dutch Exclusive Economic Zone for Leuckartiara octona (Fleming, 1823) 
Dutch Exclusive Economic Zone for Nemertesia antennina (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Obelia dichotoma (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Opercularella lacerata (Johnston, 1847) 
Dutch Exclusive Economic Zone for Sertularella polyzonias (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Sertularella rugosa (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Sertularia argentea Linnaeus, 1758 
Dutch Exclusive Economic Zone for Sertularia cupressina Linnaeus, 1758 
Dutch Exclusive Economic Zone for Thuiaria thuja (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Trichydra pudica Wright, 1857 
Dutch Exclusive Economic Zone for Tubularia indivisa Linnaeus, 1758 
Harlingen for Cordylophora caspia (Pallas, 1771) 
Oestergronden for Halecium halecium (Linnaeus, 1758) 
Oestergronden for Hydrallmania falcata (Linnaeus, 1758) 
Oestergronden for Laomedea gracilis M. Sars, 1851 
Sandettie Bank for Abietinaria abietina (Linnaeus, 1758) 
Sandettie Bank for Hydrallmania falcata (Linnaeus, 1758) 
Texel for Tubularia indivisa Linnaeus, 1758 

 Classification

 for Campanulina lacerata (Johnston, 1847)

Originally classified as Campanulina (Opercularella) lacerata [details]

 Classification

 for Grammaria serpens (Hassall, 1848)

Leloup, 1933 classified this species as Grammaria (Filelllum) serpens [details]

 Classification

 for Hydractinia carnea (M. Sars, 1846)

Leloup, 1933 classifies this species as Hydractinia (Podocoryne) carnea. [details]

 Classification

 for Laomedea pelagica (van Breeman, 1905)

Leloup,1933 proposed this to be the pelagic form ofLaomedea gracilis (Sars). [details]

 Habitat

 for Bougainvillia muscus (Allman, 1863)

Colonies found on shells [details]

 Habitat

 for Bougainvillia ramosa (Van Beneden, 1844)

tufts of species found on seaweed [details]

 Habitat

 for Clava multicornis (Forsskål, 1775)

Species found in tufts on Mytilus [details]

 Habitat

 for Cordylophora caspia (Pallas, 1771)

Temperature 16°C, 11.5 PSU (brackish). [details]

 Habitat

 for Grammaria serpens (Hassall, 1848)

Found with Coppinia on the stems of Tubularia indivisa Linné, Abietinaria abietina (Linné), Sertularia ... [details]

 Habitat

 for Laomedea longissima (Pallas, 1766)

found on shells and shell fragments; on polychaete species of Aphrodita (Leloup, 1934). [details]

 Spelling

 for Halecium beanei (Johnston, 1838)

Species spelt Halecium beani [details]

 Spelling

 for Polyplumaria frutescens (Ellis & Solander, 1786)

Polyplumularia frutescens [details]

 Spelling

 for Thuiaria thuja (Linnaeus, 1758)

Leloup, 1933 uses the spelling Thujaria thuja [details]