- 
    
    
    
- 
    
Eumetazoa (metazoans)
- 
    
Bilateria (bilaterally symmetrical animals)
- 
    
Deuterostomia (deuterostomes)
- 
    
Echinodermata (sea stars, sea urchins, sea cucumbers, and relatives)
- 
    
Class Holothuroidea
- 
    
Order Dendrochirotida
- 
    
Family Cucumariidae
- 
    
Genus Cucumaria
- 
        
Species Cucumaria calcigera
 - 
        
Species Cucumaria californica
 - 
        
Species Cucumaria chronhjelmi
 - 
        
Species Cucumaria crax
 - 
        
Species Cucumaria crucigera
 - 
        
Species Cucumaria curata
 - 
        
Species Cucumaria echinata
 - 
        
Species Cucumaria elongata
 - 
        
Species Cucumaria fallax
 - 
        
Species Cucumaria fisheri
 - 
        
Species Cucumaria frondosa
 - 
        
Species Cucumaria glacialis
 - 
        
Species Cucumaria ijimai
 - 
        
Species Cucumaria japonica
 - 
        
Species Cucumaria lactea
 - 
        
Species Cucumaria lamperti
 - 
        
Species Cucumaria lubrica
 - 
        
Species Cucumaria miniata
 - 
        
Species Cucumaria normani
 - 
        
Species Cucumaria piperata
 - 
        
Species Cucumaria planci
 - 
        
Species Cucumaria pseudocurata
 - 
        
Species Cucumaria pulcherrima
 - 
        
Species Cucumaria salma
 - 
        
Species Cucumaria vegae
 
 - 
        
 
 - 
    
 
 - 
    
 
 - 
    
 
 - 
    
 
 - 
    
 
 - 
    
 
 - 
    
 
 -