|   | 
|  Kingdom Animalia | 
|   | 
Anthosactis ingolfi Carlgren, 1921 – valid
 | 
|   | 
Cribrinopsis Carlgren, 1921 – valid
 | 
|   | 
Cribrinopsis similis Carlgren, 1921 – valid
 | 
|   | 
Edwardsia arctica Carlgren, 1921 – valid
 | 
|   | 
Edwardsia carlgreni Carlgren, 1921 – valid
 | 
|   | 
Edwardsia danica Carlgren, 1921 – valid
 | 
|   | 
Edwardsia finmarchica Carlgren, 1921 – valid
 | 
|   | 
Edwardsia longicornis Carlgren, 1921 – valid
 | 
|   | 
Edwardsia vegae Carlgren, 1921 – valid
 | 
|   | 
Epiactis incerta Carlgren, 1921 – valid
 | 
|   | 
Epiactis nordmanni Carlgren, 1921 – valid
 | 
|   | 
Epiparactis Carlgren, 1921 – valid
 | 
|   | 
Epiparactis dubia Carlgren, 1921 – valid
 | 
|   | 
Halcampa vegae Carlgren, 1921 – valid
 | 
|   | 
Haliactis Carlgren, 1921 – valid
 | 
|   | 
Haliactis arctica Carlgren, 1921 – valid
 | 
|   | 
Isoedwardsia Carlgren, 1921 – valid
 | 
|   | 
Limnactinia Carlgren, 1921 – valid
 | 
|   | 
Limnactinia laevis Carlgren, 1921 – valid
 | 
|   | 
Limnactiniidae Carlgren, 1921 – valid
 | 
|   | 
Parahalcampa Carlgren, 1921 – valid
 | 
|   | 
Parasicyonis Carlgren, 1921 – valid
 | 
|   | 
Parasicyonis sarsii Carlgren, 1921 – valid
 | 
|   | 
Pycnanthus densus Carlgren, 1921 – valid
 | 
|   | 
Pycnanthus laevis Carlgren, 1921 – valid
 | 
|   | 
Sicyonis ingolfi Carlgren, 1921 – valid
 | 
|   | 
Sicyonis tuberculata Carlgren, 1921 – valid
 | 
|   | 
Sicyonis variabilis Carlgren, 1921 – valid
 | 
|   | 
Siphonactinopsis Carlgren, 1921 – valid
 | 
|   | 
Siphonactinopsis laevis Carlgren, 1921 – valid
 | 
|   | 
Synhalcampella Carlgren, 1921 – valid
 | 
|   | 
Synsicyonis Carlgren, 1921 – valid
 | 
|   | 
Tealidium jungerseni Carlgren, 1921 – valid | 
        
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