Scionella lornensis sp. nov., a new terebellid (Polychaeta: Annelida) from the west coast of Scotland, with notes on the genus Scionella Moore, and a key to the genera of the Terebellidae recorded from European waters

Summary

A new species of terebellid Polychaeta, Scionella lornensis, is described from silty grounds on the west coast of Scotland. Its affinities with the genera Scionella and Pista are discussed and it is concluded that its closest relationship is with the former group, although it is shown that in the arrangement of the nephridia it corresponds with the latter.

A key to the species of Scionella is given, with notes on S. vinogradovi (Ushakov) and S. japonica Moore, together with a key to the genera of the Terebellidae recorded from European waters.