Acanthonotus guttatus A. Costa in Hope, 1851 accepted as Nototropis guttatus (A. Costa in Hope, 1851) (original description)
Alphaeus latimanus A. Costa in Hope, 1851 accepted as Alpheus macrocheles (Hailstone, 1835) (original description)
Alphaeus spincicerus A. Costa in Hope, 1851 accepted as Synalpheus gambarelloides (Nardo, 1847) (original description)
Amphithonotus A. Costa in Hope, 1851 accepted as Dexamine Leach, 1814 (original description)
Amphithonotus acanthophthalmus A. Costa in Hope, 1851 accepted as Dexamine acanthophthalmus (A. Costa in Hope, 1851) accepted as Dexamine spinosa (Montagu, 1813) (original description)
Ampithoe inaequipes A. Costa in Hope, 1851 accepted as Maera inaequipes (A. Costa in Hope, 1851) accepted as Quadrimaera inaequipes (A. Costa in Hope, 1851) (original description)
Callisoma A. Costa in Hope, 1851 accepted as Scopelocheirus Spence Bate, 1857 (original description)
Callisoma hopei A. Costa in Hope, 1851 accepted as Scopelocheirus hopei (A. Costa in Hope, 1851) (original description)
Callisoma punctatum A. Costa in Hope, 1851 accepted as Pardia punctata (A. Costa in Hope, 1851) accepted as Acosta punctata (A. Costa in Hope, 1851) (original description)
Cyclops quadricornis vulgaris Leach, 1819 (additional source)
Cymodoce tuberculata A. Costa in Hope, 1851 (original description)
Ebalia discrepans A Costa in Hope, 1851 (original description)
Epimeria A. Costa in Hope, 1851 (original description)
Epimeria tricristata A. Costa in Hope, 1851 accepted as Epimeria cornigera (Fabricius, 1779) accepted as Epimeria (Epimeria) cornigera (Fabricius, 1779) (original description)
Gammarus longicaudatus A. Costa in Hope, 1851 accepted as Niphargus longicaudatus (A. Costa in Hope, 1851) (original description)
Hippolytus incarnatus Hope, 1851 accepted as Ligur ensiferus (Risso, 1816) (original description)
Lambrus hexacanthus A. Costa in Hope, 1851 accepted as Parthenopoides massena (Roux, 1830) (original description)
Lambrus pumilus A. Costa in Hope, 1851 accepted as Derilambrus angulifrons (Latreille, 1825) (original description)
Lernaeopenna bertelotii Risso, 18?? (taxonomy source)
Lernaeopenna scyphius Risso, 18?? (taxonomy source)
Leucothoe denticulata A. Costa in Hope, 1851 (original description)
Lysmata nilita Hope, 1851 accepted as Lysmata nilita Dohrn & Holthuis, 1950 (original description)
Mothocya A. Costa in Hope, 1851 (original description)
Mothocya contracta A. Costa in Hope, 1851 (original description)
Mothocya epimerica A. Costa in Hope, 1851 (original description)
Nerocila cuspidata A. Costa in Hope, 1851 (original description)
Nisis Risso (basis of record)
Nisis roseus Risso (basis of record)
Pagurus crenatus Hope, 1851 (original description)
Pagurus serripes A. Costa in Hope, 1851 accepted as Diogenes serripes (A Costa in Hope, 1851) (original description)
Palaemon affinis Hope, 1851 (original description)
Palaemon bipunctatus Hope, 1851 (original description)
Palaemon delaserii Hope, 1851 (original description)
Palaemon splendens Hope, 1851 (original description)
Pasiphaea neapolitana Hope, 1851 accepted as Pasiphaea sivado (Risso, 1816) (original description)
Penaeus fasciatus Hope, 1851 (original description)
Penaeus meridionalis Hope, 1851 accepted as Aristaeomorpha foliacea (Risso, 1827) (original description)
Pinnotheres mactrarum Hope, 1851 accepted as Pinnotheres pisum (Linnaeus, 1767) (original description)
Pirimela princeps Hope, 1851 accepted as Pirimela denticulata (Montagu, 1808) (original description)
Sicyonia genyana Hope, 1851 accepted as Funchalia woodwardi Johnson, 1868 (original description)

Italy for Gammarus longicaudatus A. Costa in Hope, 1851