This is a list of the 44 species of Nemertea (ribbon worms, proboscis worms) found in Ireland.Howson, C.M. & Picton, B.E.(eds) 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas.Ulster Museum and The Marine Conservation Society, Belfast and Ross-on-Wye. Gibson, R. (2001). Nemertini (Nemertae), in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 152-156
Family Amphiporidae Amphiporus bioculatus McIntosh, 1874 Amphiporus lactifloreus (Johnston, 1828) Family Cephalothricidae Cephalothrix rufifrons (Johnston, 1837) Cephalothrix filiformis Johnston, 1828
Family Lineidae Cerebratulus fuscus (McIntosh, 1874) Cerebratulus marginatus Renier, 1804 Lineus acutifrons Southern, 1913 Lineus longissimus (Gunnerus, 1770) Lineus ruber (Müller, 1774) Lineus viridis (Müller, 1774) Micrura fasciolata Ehrenberg, 1828 Micrura purpurea (Dalyell, 1853) Ramphogordius lacteus Rathke, 1843 Family Emplectonematidae Emplectonema gracile (Johnston, 1837) Nemertopsis flavida (McIntosh, 1873/74) Family Cratenemertidae Nipponnemertes pulchra (Johnston, 1837)
Family Oerstediidae Oerstedia dorsalis (Abildgaard, 1806) Family Paradrepanophoridae Paradrepanophorus crassus (Quatrefages, 1846) Family Drepanophoridae Punnettia splendida (Keferstein, 1862)
Family Tetrastemmatidae Tetrastemma beaumonti (Southern, 1913) Tetrastemma candidum (Müller, 1774) Tetrastemma cephalophorum Bürger, 1895 Tetrastemma coronatum (Quatrefages, 1846) Tetrastemma flavidum Ehrenberg, 1828 Tetrastemma helvolum Bürger, 1895 Tetrastemma melanocephalum (Johnston, 1837) Tetrastemma robertianae McIntosh, 1874 Tetrastemma vermiculus (Quatrefages, 1846) Family Tubulanidae Tubulanus annulatus (Montagu, 1804) Tubulanus banyulensis (Joubin, 1890) Tubulanus inexpectatus (Hubrecht, 1880) Tubulanus linearis (McIntosh, 1874) Tubulanus superbus (Kölliker, 1845) References