Eleven species of Pontoniinae (Decapoda: Caridea) are recorded as associates from large bivalves in Hansa Bay, Madang Province, Papua New Guinea. Nine species are recorded as new to the fauna of Papua New Guinea. Morphological details, colour notes and host records of all species are provided. The taxonomic status of Paranchistus pycnodontae Bruce, 1978 in relation to P. serenei Bruce and P. spondylis Suzuki is discussed
