This is a list of the Annelida recorded from Ireland.
In Ireland the number of species is:
Class Polychaeta 404 species
Class Clitellata
Subclass Oligochaeta 179 species
Subclass Hirudinea 32 species [1]
Taxonomy Here the leeches and oligochaetes are placed together in the Class Clitellata. The marine Polychaeta are ranked as a Class. These groups (and the Annelida) may be monophyletic , paraphyletic or polyphyletic. (Rouse and Pleijel, 2001).
A variety of Polychaeta
Polychaeta:1 Autolytus pictus Ehlers, 1864 Syllidae;2 Phyllodoce lamelligera (Gmelin in Linnaeus, 1788) Phyllodocidae;3 Phyllodoce maculata (Linnaeus, 1767) Phyllodocidae;4,5 Nereiphylla rubiginosa (Saint-Joseph, 1888) Phyllodocidae
Polychaeta:1 Sabellaria spinulosa Leuckart, 1849 Sabellariidae;2 Lagis koreni Malmgren, 1866 Pectinariidae;3 Ampharete acutifrons (Grube, 1860) Ampharetidae;4 Sabellaria alveolata Linnaeus, 1767 Sabellariidae;5 Nicolea venustula (Montagu, 1819) Terebellidae;6 Branchiomma argus (Sars, 1862) Sabellidae;7 Dipolydora flava (Claparède, 1870) Spionidae
Polychaeta:*1, 2 Phyllodoce lamelligera (Gmelin in Linnaeus, 1788) Phyllodocidae;*3,4. Odontosyllis gibba (Claparède, 1863) Syllidae;*5. Odontosyllis fulgurans (Audouin & Milne Edwards, 1833) Syllidae;*6. Syllis krohnii Ehlers, 1864 Syllidae;*7. Myrianida prolifera (O.F. Müller, 1788) Syllidae;*8. Proceraea picta Ehlers, 1864 Syllidae.