Cárdenas, P.; Thollesson, M. (2016). A new Hymedesmia (Demospongiae, Poecilosclerida) with large sigmas off western Sweden. Journal of the Marine Biological Association of the United Kingdom. 96: 1305-1312.
Hymedesmia (Hymedesmia) lindstroemae sp. nov. collected at 178–210 m depth off the western Swedish coast is described. This encrusting sponge is notably characterized by its unusually large sigmas. This new species brings the number of Hymedesmia (Hymedesmia) species in Swedish waters to 30. A key for all the North Atlantic Hymedesmia (Hymedesmia) species with sigmas (32 species) is included.