Acanthocyclops robustus (Sars G.O., 1863) represented as Acanthocyclops robustus robustus (Sars G.O., 1863) (basis of record)
Bryocamptus (Bryocamptus) minutus (Claus, 1863) represented as Bryocamptus (Bryocamptus) minutus minutus (Claus, 1863) (basis of record)
Cyclops vicinus vicinus Uljanin, 1875 (basis of record)
Diacyclops bicuspidatus (Claus, 1857) represented as Diacyclops bicuspidatus bicuspidatus (Claus, 1857) (additional source)
Eucyclops serrulatus (Fischer, 1851) represented as Eucyclops serrulatus serrulatus (Fischer, 1851) (basis of record)
Paracyclops fimbriatus (Fischer, 1853) represented as Paracyclops fimbriatus fimbriatus (Fischer, 1853) (basis of record)
Thermocyclops crassus (Fischer, 1853) accepted as Thermocyclops crassus crassus (Fischer, 1853) (basis of record)
Thermocyclops oithonoides (Sars G.O., 1863) (basis of record)

Scheldt estuary for Acanthocyclops robustus (Sars G.O., 1863) 
Scheldt estuary for Acartia tonsa Dana, 1849-1852 
Scheldt estuary for Bryocamptus (Bryocamptus) minutus (Claus, 1863) 
Scheldt estuary for Cyclops vicinus vicinus Uljanin, 1875 
Scheldt estuary for Diacyclops bicuspidatus (Claus, 1857) 
Scheldt estuary for Eucyclops serrulatus (Fischer, 1851) 
Scheldt estuary for Eudiaptomus gracilis (Sars G.O., 1863) 
Scheldt estuary for Eurytemora affinis (Poppe, 1880) 
Scheldt estuary for Paracyclops fimbriatus (Fischer, 1853) 
Scheldt estuary for Thermocyclops crassus (Fischer, 1853) 
Scheldt estuary for Thermocyclops oithonoides (Sars G.O., 1863) 

 Authority

 for Filinia longiseta (Ehrenberg, 1834)

(Ehrb. 1838) [details]

 Distribution

 for Keratella cruciformis (Thompson, 1892)

Also known to occur in the North Sea. [details]