Turbellarians taxon details
original description
(of Penula ocellata Kelaart, 1858) Kelaart E.F. (1858). Description of new and little known species of Ceylon nudibranchiate molluscs, and zoophytes. <em>Journal of the Ceylon Branch of the Royal Asiatic Society.</em> 3 (9): 84-139. [May 1858]., available online at https://biodiversitylibrary.org/page/43940429 [details]
status source
Prudhoe, S. (1985). A monograph on polyclad Turbellaria. British Museum (Natural History), Oxford University Press, Oxford, New York, 259 p. [details]