Catenula macrura Marcus, 1945 b
(Fig. 5 J, 6 C)
Locality. Loc. 12.
Known distribution. Brazil (Marcus 1945b), Finland (Luther 1960).
Material. Two individuals studied alive and preserved in ethanol for DNA-sequencing.
Description and remarks. This species, which is superficially similar to C. lemnae, is easily recognisable by the presence of a very narrow tail-like posterior end (see Marcus 1945b, Luther 1960).