Biota (Life)
    
        Eukaryote (Eukarya)
    
        Podiata
    
        Unikont (Unikonta)
    
        Opisthokont (Opisthokonta)
    
        Holozoa
    
        Filozoa
    
        Apoikozoa (Choanozoa)
    
        Animal (Animalia)
    
        Metazoa
    
        Epitheliozoa
    
        Eumetazoa
    
        Bilateria
    
        Deuterostome (Deuterostomia)
    
        Chordata (Chordates)
    
        Olfactores
    
        Craniata (Craniata (chordata))
    
        Vertebrata (Animals with backbone)
    
        Gnathostomata (Gnathostome)
    
        Eugnathostomata
    
        Teleostomi
    
        Osteichthyes (Bony fish)
    
        Actinopterygii (Ray-finned fishes)
    
        Actinopteri
    
        Neopterygii
    
        Teleostei (Teleost)
    
        Osteoglossocephalai
    
        Clupeocephala
    
        Euteleosteomorpha (Euteleostei)
    
        Neoteleostei
    
        Eurypterygii
    
        Ctenosquamata
    
        Acanthomorphata
    
        Acanthopterygii
    
        Percomorphaceae (Percomorpha)
    
        Eupercaria (Series of real percarian)
    
        Perciformes (Percomorphi)
    
        Cottoidei
    
        Cottoidea (Sculpin)
    
        Sea raven (Hemitripteridae)
    
    
    
    
         Children (3 direct children, 3 direct and indirect children):
    
    
        
        Children (3 direct children, 3 direct and indirect children):
        
        
        
            
                Nautichthys robustus
                
                
                
            
                Sailfin sculpin
                
                
                    Nautichthys oculofasciatus
                
                
            
                Nautichthys pribilovius