| Pycnophyidae () | 
	
		
	
	|  | 
| benthic; brackish; marine | 
	
	
	
		| Caribbean Sea:  Belize. | 
	
		
	| Anterior and posterior trunk slightly tapered.  Pointed anterolateral projections; similar projections lateroterminal the tergal-sternal junction of the penultimate segment extending beyond the terminal segment.  Denticulate anterodorsal tergal margin.  Segments 3 to 11 with spinose processes on the mid-dorsal margin; segment 12 with 3 lateral setae.  Males with 3 pairs of penile spines at the anterolateral margins of terminal sternal plates and adhesive tube on each sternal plate of segment 4.  Females with single gonopore (Ref. 1409). | 
	
	
		| Occurs in mixed sediments, mud, and seagrass and mangrove detritus and occasional seagrass (Ref. 1409). | 
	
	
    | Not Evaluated (N.E.) Ref. 123251) | 
  
  
 		
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