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 |   | Kingdom | Animalia 
 – Animal, animaux, animals | 
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|   |    Subkingdom | Bilateria 
 – triploblasts | 
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|   |       Infrakingdom | Protostomia 
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|   |          Superphylum | Spiralia 
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|   |             Phylum | Mollusca 
 – mollusques, molusco, molluscs, mollusks | 
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|   |                Class | Scaphopoda Bronn, 1862
 – tusk shells, scaphopodes, dentálio, scafópode | 
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|   |                   Order | Gadilida Starobogatov, 1974
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|   |                      Suborder | Gadilimorpha Steiner, 1992
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|   |                         Superfamily | Gadiloidea 
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|   |                            Family | Gadilidae Stoliczka, 1868
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|   |                               Subfamily | Siphonodentaliinae Tryon, 1884
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|   |                                  Genus | Polyschides Pilsbry & Sharp, 1898 | 
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          Direct Children: | 
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 |   |                                     Species | 
Polyschides agassizii (Dall, 1881)
 – agassiz toothshell |   | 
|   |                                     Species | 
Polyschides californicus (Pilsbry and Sharp, 1898)
 – California toothshell |   | 
|   |                                     Species | 
Polyschides carolinensis (Bush, 1885)
 – Carolina toothshell |   | 
|   |                                     Species | 
Polyschides elongatus (J. B. Henderson, 1920)
 – elongate toothshell |   | 
|   |                                     Species | 
Polyschides grandis (A. E. Verrill, 1884)
 – grand toothshell |   | 
|   |                                     Species | 
Polyschides greenlawi (Dall, 1889)
 – greenlaw toothshell |   | 
|   |                                     Species | 
Polyschides miamiensis (J. B. Henderson, 1920)
 – Miami toothshell |   | 
|   |                                     Species | 
Polyschides pandionis (A. E. Verrill and S. Smith, 1880)
 – kingly toothshell |   | 
|   |                                     Species | 
Polyschides parvus (J. B. Henderson, 1920)
 – little toothshell |   | 
|   |                                     Species | 
Polyschides quadridentatus (Dall, 1881)
 – four-tooth toothshell, fourtooth toothshell |   | 
|   |                                     Species | 
Polyschides rushii (Pilsbry and Sharp, 1898)
 – rush toothshell |   | 
|   |                                     Species | 
Polyschides spectabilis (A. E. Verrill, 1885)
 – notable toothshell |   | 
|   |                                     Species | 
Polyschides tetraschistus (Watson, 1879)
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|   |                                     Species | 
Polyschides tetrodon (Pilsbry and Sharp, 1898)
 – tetrodon toothshell |   | 
|   |                                     Species | 
Polyschides tolmiei (Dall, 1897)
 – tolmie toothshell |   | 
|   |                                     Species | 
Polyschides watsoni (Dall, 1881)
 – watson toothshell |   | 
        
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