| Atorellidae () | 
	
		
	
	| 0.7 cm WD (male/unsexed) | 
| pelagic; marine | 
	
	
	
		| Eastern Pacific:  Panama, USA and Canada. | 
	
		
	| 0.7 cm wide, 0.3 to 0.5 cm high; exumbrella with nematocyst warts; ring furrow deep and marginal lappets long, oval 80 to 100 gastric cirri in each of the four groups.  Each group arising from a stout gelatinous peduncle; four leaf-shaped gonads; tentacles with a terminal knob-shaped. | 
	
	
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    | Not Evaluated (N.E.) Ref. 123251) | 
  
  
 		
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