A survey of amphipod associates of sea urchins, with description of new species in the genera Lepidepecreella (Lysianassoidea: lepidepecreellid group) and Notopoma (Photoidea: Ischyroceridae) from Antarctic cidarids. Deep-Sea Research Part II Topical Studies in Oceanography, 51(14-16) 2004: 1717-1731. 1726 [Zoological Record Volume 141]