Achaeus Leach, 1817 (basis of record)
Achaeus cranchii Leach, 1817 (basis of record)
Alpheoidea Rafinesque, 1815 (basis of record)
Anomura (basis of record)
Atelecyclidae Ortmann, 1893 (basis of record)
Atelecyclus Leach, 1814 (basis of record)
Atelecyclus rotundatus (Olivi, 1792) (basis of record)
Callianassa Leach, 1814 (basis of record)
Callianassa subterranea (Montagu, 1808) (basis of record)
Callianassa tyrrhena (Petagna, 1792) accepted as Gilvossius tyrrhenus (Petagna, 1792) (basis of record)
Callianassidae Dana, 1852 (basis of record)
Callianassoidea Dana, 1852 accepted as Callianassidae Dana, 1852 (basis of record)
Cancroidea Latreille, 1802 (basis of record)
Carcinus Leach, 1814 (basis of record)
Carcinus maenas (Linnaeus, 1758) (basis of record)
Caridea (basis of record)
Corystes Bosc, 1801 (basis of record)
Corystes cassivelaunus (Pennant, 1777) (basis of record)
Corystidae Samouelle, 1819 (basis of record)
Crangon Fabricius, 1798 (basis of record)
Crangon crangon (Linnaeus, 1758) (basis of record)
Crangonidae Haworth, 1825 (basis of record)
Crangonoidea Haworth, 1825 (basis of record)
Diogenes Dana, 1851 (basis of record)
Diogenes pugilator (Roux, 1829) (basis of record)
Diogenidae Ortmann, 1892 (basis of record)
Ebalia Leach, 1817 (basis of record)
Eualus Thallwitz, 1891 (basis of record)
Eubrachyura (basis of record)
Galathea Fabricius, 1793 (basis of record)
Galathea intermedia Lilljeborg, 1851 (basis of record)
Galatheidae Samouelle, 1819 (basis of record)
Galatheoidea Samouelle, 1819 (basis of record)
Heterotremata (basis of record)
Hippolyte Leach, 1814 (basis of record)
Hippolyte varians Leach, 1814 (basis of record)
Hippolytidae Spence Bate, 1888 (basis of record)
Leucosiidae Samouelle, 1819 (basis of record)
Leucosioidea Samouelle, 1819 (basis of record)
Liocarcinus Stimpson, 1871 (basis of record)
Liocarcinus depurator (Linnaeus, 1758) accepted as Polybius depurator (Linnaeus, 1758) (basis of record)
Liocarcinus holsatus (Fabricius, 1798) accepted as Polybius holsatus (Fabricius, 1798) (basis of record)
Liocarcinus navigator (Herbst, 1794) accepted as Polybius navigator (Herbst, 1794) (basis of record)
Liocarcinus pusillus (Leach, 1816) accepted as Polybius pusillus (Leach, 1816) (basis of record)
Macropodia Leach, 1814 (basis of record)
Macropodia rostrata (Linnaeus, 1761) (basis of record)
Majidae Samouelle, 1819 (basis of record)
Majoidea Samouelle, 1819 (basis of record)
Paguroidea Latreille, 1802 (basis of record)
Pagurus Fabricius, 1775 (basis of record)
Pagurus bernhardus (Linnaeus, 1758) (basis of record)
Palaemon Weber, 1795 (basis of record)
Palaemon elegans Rathke, 1836 (basis of record)
Palaemonidae Rafinesque, 1815 (basis of record)
Palaemonoidea Rafinesque, 1815 (basis of record)
Philocheras Stebbing, 1900 (basis of record)
Philocheras trispinosus (Hailstone in Hailstone & Westwood, 1835) (basis of record)
Pilumnidae Samouelle, 1819 (basis of record)
Pilumnus Leach, 1816 (basis of record)
Pilumnus hirtellus (Linnaeus, 1761) (basis of record)
Pinnotheres Bosc, 1801 (basis of record)
Pinnotheres pisum (Linnaeus, 1767) (basis of record)
Pisidia Leach, 1821 (basis of record)
Pisidia longicornis (Linnaeus, 1767) (basis of record)
Pleocyemata (basis of record)
Polybius Leach, 1820 (basis of record)
Pontophilus Leach, 1817 (basis of record)
Porcellanidae Haworth, 1825 (basis of record)
Portumnus Leach, 1814 (basis of record)
Portumnus latipes (Pennant, 1777) (basis of record)
Portunidae Rafinesque, 1815 (basis of record)
Portunoidea Rafinesque, 1815 (basis of record)
Processa Leach, 1815 (basis of record)
Processa modica Williamson in Williamson & Rochanaburanon, 1979 (basis of record)
Processa modica modica Williamson in Williamson & Rochanaburanon, 1979 (basis of record)
Processa nouveli Al-Adhub & Williamson, 1975 (basis of record)
Processa nouveli holthuisi Al-Adhub & Williamson, 1975 (basis of record)
Processa nouveli nouveli Al-Adhub & Williamson, 1975 (basis of record)
Processidae Ortmann, 1896 (basis of record)
Processoidea Ortmann, 1896 (basis of record)
Thalassinidea (basis of record)
Thia Leach, 1815 (basis of record)
Thia scutellata (Fabricius, 1793) (basis of record)
Thiidae Dana, 1852 (basis of record)
Thoracotremata (basis of record)
Thoralus Holthuis, 1947 accepted as Eualus Thallwitz, 1891 (basis of record)
Thoralus cranchii (Leach, 1817) accepted as Eualus cranchii (Leach, 1817) (basis of record)
Upogebia Leach, 1814 (basis of record)
Upogebia deltaura (Leach, 1816) (basis of record)
Upogebia pusilla (Petagna, 1792) (basis of record)
Upogebiidae Borradaile, 1903 (basis of record)
Xanthidae MacLeay, 1838 (basis of record)
Xanthoidea MacLeay, 1838 (basis of record)