Guide and keys for the identification of Syllidae (Annelida, Phyllodocida) from the British Isles (reported and expected species)

. 2015 Mar 19;(488):1–29. doi: 10.3897/zookeys.488.9061

1	Blades of posterior compound chaetae short, with proximal tooth distinctly longer than distal tooth	Paraehlersia ferrugina (Langerhans, 1881) (1)
–	Blades similar throughout, with proximal tooth shorter than distal	Paraehlersia dionisi Núñez & San Martín, 1991 (1, 13)