The phyllophorid sea cucumbers of southern Australia (Echinodermata: Holothuroidea: Dendrochirotida: Phyllophoridae) Author O’Loughlin, P. Mark Author Barmos, Shari Author VandenSpiegel, Didier text Memoirs of Museum Victoria 2012 2012-12-31 69 269 308 https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-69-2012/pages-269-308/ journal article 10.24199/j.mmv.2012.69.05 1447-2554 12212378 Phyllophorella notialis O’Loughlin sp. nov. Figures 1e, f , 7 Material examined . Holotype . SE Australia, New South Wales , Disaster Bay , RV Southern Surveyor SS 0404 stn 102, 37°17.22'S 150°4.15'E , 79 m , 28 April 2004 , NMV F132691 . Description . Body 20 mm long, diameter up to 7 mm (preserved, tentacles slightly extended, part of posterior body missing); 20 tentacles in 2 series, 15 outer variable sizes from large to medium, 5 inner very small; complete cover of tube feet, diameter about 0.3 mm ; calcareous ring not tubular, radial plates with paired composite tapering tails; inter-radial plates not composite, lacking posterior extensions, truncate, less than half total length of radial plates; single polian vesicle; lacking gonad tubules. Mid-body ossicles tables only, table discs variably round to oval, margins smooth and slightly lobed, disc lengths variable from 64 µ m to 192 µ m, frequently 96 µ m, table spires short, about 24 µ m long, predominantly 4 pillars, rarely 5, blunt apical spines; endplates up to 144 µ m diameter, endplate support ossicles tables with curved discs, discs up to 136 µ m long; tentacle ossicles abundant small, fine rods, intergrading with stout rods with swollen multi-perforate and bluntly denticulate ends, each end with a large and up to 10 small marginal perforations, rods up to 176 µ m long. Colour . Body grey-brown, introvert white, tentacles pale brown with some dark brown markings. Distribution . Australia , south coast of New South Wales , Disaster Bay, 79 m . Etymology. Named from the Latin notialis (southern), for the research vessel Southern Surveyor . Remarks . Phyllophorella notialis O’Loughlin sp. nov. is distinguished from other southern Australian species of Phyllophoridae in the key (above).