Scaphirhynchus Heckel [J. J.] 1836:71 Masc. Scaphirhynchus rafinesquii Heckel 1836. Type by monotypy. Appeared twice (earliest not researched); as above and as Heckel in Müller 1836:77, footnote [ref. 3060]. Several variant spellings and misprints. Scaphirhynchops Gill 1863 is an unneeded replacement, Scaphirhynchus not preoccupied. •Valid as Scaphirhynchus Heckel 1836 -- (Bailey & Cross 1954 [ref. 5358], Williams & Clemmer 1991 [ref. 19118], Mayden & Kuhajda 1996:241 [ref. 22395], Bemis et al. 1997:37 [ref. 22871], Birstein et al. 2002:287 [ref. 26021], Scott 2003:671 [ref. 26987]). Current status: Valid as Scaphirhynchus Heckel 1836. Acipenseridae.