1. Species Lupa bellicosa Stimpson, 1859 accepted as Callinectes bellicosus (Stimpson, 1859) (unaccepted > superseded combination)
2. Species Lupa biocellata Gundlach & Torralbas, 1900 accepted as Achelous sebae (H. Milne Edwards, 1834) (unaccepted > junior subjective synonym)
3. Species Lupa cranchiana White, 1847 (unaccepted > nomen nudum)
4. Species Lupa Dufourii Desmarest, 1825 accepted as Portunus hastatus (Linnaeus, 1767) accepted as Achelous hastatus (Linnaeus, 1767) (unaccepted > junior subjective synonym)
5. Species Lupa gibbesii Stimpson, 1859 accepted as Achelous gibbesii (Stimpson, 1859) (unaccepted > superseded combination)
6. Species Lupa leachii De Haan, 1833 accepted as Achelous forceps (Fabricius, 1793) (unaccepted > junior subjective synonym)
7. Species Lupa maculata Say, 1818 accepted as Arenaeus cribrarius (Lamarck, 1818) (unaccepted > junior subjective synonym)
8. Species Lupa pelagica (Linnaeus, 1758) accepted as Portunus pelagicus (Linnaeus, 1758) (unaccepted > superseded combination)
9. Species Lupa pubescens Dana, 1852 accepted as Portunus pubescens (Dana, 1852) (unaccepted > superseded combination)
10. Species Lupa sanguinolentus (Herbst, 1783) accepted as Portunus sanguinolentus (Herbst, 1783) (unaccepted > superseded combination)
11. Species Lupa sayi Gibbes, 1850 accepted as Portunus sayi (Gibbes, 1850) (unaccepted > superseded combination)
12. Species Lupa Sayi Gibbes in White, 1849 accepted as Lupa sayi Gibbes, 1850 accepted as Portunus sayi (Gibbes, 1850) (unaccepted > nomen nudum)
13. Species Lupa smythiana White, 1847 accepted as Callinectes gladiator Benedict, 1893 accepted as Callinectes pallidus (de Rochebrune, 1883) (unaccepted > nomen nudum)
14. Species Lupa trispinosa Leach, 1816 accepted as Callinectes exasperatus (Gerstaecker, 1856) (unaccepted > junior subjective synonym)

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