Ball, I.R.; Reynoldson, T.B. (1981). British Planarians: Platyhelminthes: Tricladida: keys and notes for identification of the species. <em>Synopses of the British fauna (New Series), 19. Cambridge University Press: Cambridge. ISBN 0-521-28272-1.</em> 141 pp. (look up in IMIS) [details]
This rare and recently discovered species is up to 23 mm long.