The Psolidae of New Zealand and some additions to the Macquarie Ridge fauna (Echinodermata: Holothuroidea: Psolidae) Author Davey, Nicola National Institute of Water and Atmosphere Research Ltd (NIWA), PO Box 893, Nelson 7040, New Zealand (niki. davey @ niwa. co. nz) text Memoirs of Museum Victoria 2013 2013-12-18 70 51 67 journal article 1447-2554 urn:lsid:zoobank.org:pub:131EFBFB-3A77-4C35-9FC0-4451DDAC4A0A Genus Psolus Oken, 1815 Diagnosis. ( O’Loughlin and Whitfield 2010 ). Psolidae with large imbricating or contiguous dorsal and lateral scales; ventrolateral scales at margin clearly demarcated from thin sole that lacks conspicuous scales. Tube feet absent dorsally and laterally, sometimes present orally and anally.