Macrhybopsis  Cockerell & Allison, 1909 
Extrarius  Jordan, 1919; (synonym)
 
 
 
Macrhybopsis aestivalis  
Gobio aestivalis   Girard, 1856; (valid as)
Ceratichthys sterletus   Cope, 1876; (synonym)
Nocomis hyostomus   Gilbert, 1884; (synonym)
Hybopsis aestivalis var.  marconis   Jordan & Gilbert, 1886; (synonym)
Hybopsis tetranemus   Gilbert, 1886; (synonym)
Extrarius tetranemus   Jordan, 1919; (synonym)
Extrarius australis   Hubbs & Ortenburger, 1929; (synonym)
Hybopsis aestivalis   Lee et al., 1980; (valid as)
Extrarius aestivalis   Page & Burr, 1991; (valid as)
Macrhybopsis aestivalis   Boschung, 1992; (valid as)
 
 
 
 
Macrhybopsis gelida  
Gobio gelidus   Girard, 1856; (valid as)
Macrhybopsis gelida   Cockerell & Allison, 1909; (valid as)
Hybopsis gelidae   Lee et al., 1980; (valid as)
Macrhybopsis gelida   Page & Burr, 1991; (valid as)
 
 
 
 
Macrhybopsis meeki  Page & Burr, 1991 
Hybopsis meeki   Jordan & Evermann, 1896; (valid as)
 
 
 
 
Macrhybopsis storeriana  
Leuciscus storerianus   Kirtland, 1844; (valid as)
Hybopsis storeriana   Lee et al., 1980; (valid as)
Macrhybopsis storeriana   Page & Burr, 1991; (valid as)
Leuciscus storeriana   Boschung, 1992; (misspelling)
 
 
 
  
 
24.4.2004 (4)
 
Additional information sources: 
 
The taxonomic information and the basic database has been provided by; e-mail:  Igor Sheremetyev ; This is a conversion from a database dump, and there are probably many odd things as result of automatic conversion.