Observations on Carcinonemertes (Nemertea: Carcinonemertidae) associated with the smooth pebble crab, Philyra laevis

The occurrence of a nemertine on the crab Philyra laevis, identified as a species of Carcinonemertes similar to C. carcinophila imminuta Humes, 1942, is recorded. The genus has not previously been reported from Australia. Notes are given on the larval, immature and adult stages.