| Pycnophyidae () | 
	
		
	
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| benthic; brackish; marine | 
	
	
	
		| Caribbean Sea:  Belize. | 
	
		
	| First trunk segment almost of equal width; maximum width at segment 7, tapering moderately.  An undulating cuticle ridge following a row of punctate sculpturing present on the even anterodorsal margin.  Two areas of sculptured thin cuticle on the anterior margin of episternal plates; lateral area slightly anterior to mesial area.  Anterior trunk segments with prominent mid-dorsal cuticle ridge.  Ventral pachycycli prominent.  Segment 11 with laterally displaced midventral thickenings; segment 12 only half as long as segment 11.  Males with 3 pairs of penile spines at anterolateral margins of terminal sternal plates, adhesive tubes on segment 4 sternal plates, and slightly more pronounced sculpturing on first trunk segment (Ref. 1409). | 
	
	
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    | Not Evaluated (N.E.) Ref. 123251) | 
  
  
 		
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