Known only from Sicily, Italy. Subtidal very coarse sediments, 4-20 m depth. [details]

Scotland and Ireland. Intertidal(?), and 'subtidal' (3 m) in a rockpool. [details]

Known only from the type locality off Belgium. Subtidal sand, 15 m depth [details]

Known only from the type locality in Sicily, Italy. Barely subtidal coarse sand. [details]

Known only from the type locality in the Trondheimsfjord, Norway. Subtidal coarse sediment, 40-80 m depth. [details]

Known only from the type locality in Corsica. Subtidal, very coarse sediment. [details]

Known only from the type locality in the Trondheimsfjord, Norway. Subtidal fine sediment, 180-240 m depth. [details]

Italy, Ireland and Scotland. Mostly subtidal, coarse sediments, down to at least 4 m depth. [details]

The name densespectinis is Latin for 'weaving comb', here alluding to the appearance of the bundles of penial setae. [details]

The species is named for Dr J. D. George, BMNH, who collected this and other oligochaete material on the Isle of ... [details]

Named for Dr Klara van Osmael, Zoological Institute, State University of Gent, who very kindly provided the material. [details]

Named after the city of Messina. [details]

The species is named minutissimus, Latin for 'very small', as it is one of the smallest species of Tubificidae ever ... [details]

Named for Drs F. and C. Monniot, who collected the material. [details]

The species is named after Nidaros, an older name for the county of Trondheim. [details]