basis of record
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
additional source
Sawyer, R.T. (1986). Leech biology and behaviour. Vol. II. Feeding biology, ecology, and systematics. Clarendon Press. 375 p.
page(s): 663 [details]
From editor or global species database
Biology Antarctic type species permanently associated with and apparently feeding on giant isopod Glyptonotus antarcticus [details]