| Pelagiidae () | 
	
		
	
	| 8 cm WD (male/unsexed) | 
| pelagic; marine | 
	
	
	
		| Western Atlantic:  Cuba to Argentina, Brazil and the Caribbean Sea. | 
	
		
	| Up to 8 cm wide; clefts in lappets adjacent to the rhopalia fully as deep as those between the remaining lappets; septa between stomach pouches straight until very near margin; usually five, sometimes 7 or 9 tentacles per octant, the two secondary tentacles in each octant about half, the two tertiary about one-fourth as long as the median, primary tentacles, the others sucessively diminishing in length towards both sides; all tentacles issuing from clefts between lappets. | 
	
	
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    | Not Evaluated (N.E.) Ref. 123251) | 
  
  
 		
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