After Jeffery, 2006

Archichthys Hancock & Athey, 1870

         †Archichthys portlocki (Portlock, 1843 ex Agassiz MS)
            Holoptychius portlocki Portlock, ex Agassiz MS, 1843
            Holoptychius portlocki Portlock, ex Agassiz MS, 1844
            Rhizodus portlockii )Portlock, ex Agassiz MS, 1843); Salter, 1861
            Rhizodus hibbardi Owen, 1840;  Hancock & Athey, 1868
            Archichthys sulcidens Hancock & Athey, 1870
            Streptodus sulcidens (Hancock & Athey, 1870); Woodward, 1891
            Streptodus portlocki (Portlock, ex Agassiz MS, 1843); Woodward, 1891
            Streptodus sulcatus Traquair, 1903 (lapsus calami)
            Streptodus sp. cf. S. sulcidens (Hancock & Athey, 1870); White, 1927
            “Large form”; Andrews, 1985
            Archichthys portlocki (Portlock, 1843 ex Agassiz MS); Jeffery, 2006

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