Alpheoidea Rafinesque, 1815 (basis of record)
Anomura (basis of record)
Astacidea (basis of record)
Atelecyclidae Ortmann, 1893 (basis of record)
Atelecyclus Leach, 1814 (basis of record)
Atelecyclus rotundatus (Olivi, 1792) (basis of record)
Axiidae Huxley, 1879 (basis of record)
Axioidea Huxley, 1879 accepted as Axiidea (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)
Calocarididae Ortmann, 1891 accepted as Axiidae Huxley, 1879 (basis of record)
Calocaris Bell, 1846 (basis of record)
Calocaris macandreae Bell, 1846 (basis of record)
Cancroidea Latreille, 1802 (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)
Eualus Thallwitz, 1891 (basis of record)
Eualus pusiolus (Krøyer, 1841) (basis of record)
Eubrachyura (basis of record)
Eurynome Leach, 1814 (basis of record)
Eurynome aspera (Pennant, 1777) (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)
Hippolytidae Spence Bate, 1888 (basis of record)
Hyas Leach, 1814 (basis of record)
Hyas coarctatus Leach, 1815 (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 marmoreus (Leach, 1814) accepted as Polybius marmoreus (Leach, 1814) (basis of record)
Liocarcinus pusillus (Leach, 1816) accepted as Polybius pusillus (Leach, 1816) (basis of record)
Majidae Samouelle, 1819 (basis of record)
Majoidea Samouelle, 1819 (basis of record)
Nephropidae Dana, 1852 (basis of record)
Nephrops Leach, 1814 (basis of record)
Nephrops norvegicus (Linnaeus, 1758) (basis of record)
Pasiphaea Savigny, 1816 (basis of record)
Pasiphaea sivado (Risso, 1816) (basis of record)
Pasiphaeidae Dana, 1852 (basis of record)
Pasiphaeoidea Dana, 1852 (basis of record)
Pinnotheres Bosc, 1801 (basis of record)
Pinnotheres pisum (Linnaeus, 1767) (basis of record)
Pirimela Leach, 1816 (basis of record)
Pirimela denticulata (Montagu, 1808) (basis of record)
Pirimelidae Alcock, 1899 (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)
Porcellanidae Haworth, 1825 (basis of record)
Portunidae Rafinesque, 1815 (basis of record)
Portunoidea Rafinesque, 1815 (basis of record)
Processa Leach, 1815 (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)
Processa parva Holthuis, 1951 (basis of record)
Processidae Ortmann, 1896 (basis of record)
Processoidea Ortmann, 1896 (basis of record)
Thalassinidea (basis of record)
Thoracotremata (basis of record)
Upogebia Leach, 1814 (basis of record)
Upogebia deltaura (Leach, 1816) (basis of record)
Upogebia stellata (Montagu, 1808) (basis of record)
Upogebiidae Borradaile, 1903 (basis of record)