Trachythyone mackenzieae O'Loughlin, 2009, sp. nov. ...

• Main Author: O'Loughlin, Mark
• Format: Text
• Language: unknown
• Published: Zenodo 2009
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Holothuroidea; Dendrochirotida; Cucumariidae; Trachythyone; Trachythyone mackenzieae; Fram Bank; Prydz Bay; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.6223187; https://zenodo.org/doi/10.5281/zenodo.6223187

Trachythyone mackenzieae sp. nov. Figures 2 f, 3b, d, f; table 1. Material examined. Holotype. Eastern Antarctica, Prydz Bay, Fram Bank, 67°25'S 70°20'E, 161–165 m, ANARE AA91 stn 94, C.C. Lu & T.N. Stranks, 26 Feb 1991, NMV F68073. Paratypes. Fram Bank, 67°31'S 69°02'E, 105–114 m, AA93 stn 130, M. O’Loughlin, 13 Feb 1993, NMV F68668 (1); off Kaiser Wilhelm Land, 65°48'S 89°49'E, 393 m, BANZARE stn 100, 3 Feb 1931, SAM K2451 (1). Diagnosis. Body elongate, fusiform, slightly tapered and rounded posteriorly; up to 60 mm long (preserved, excluding tentacles); body wall calcareous, rugose, not parchment-like; 10 dendritic tentacles, ventral pair small; tube feet in radial series, retractile, dorso-lateral radial series variable size, zig-zag to double discontinuous rows, 3 ventral radial series close zig-zag to double irregular rows; calcareous ring lacking posterior prolongations, radial plates with narrow sub-rectangular anterior projection, interradial plates with strongly tapered anterior projection, all ... : Published as part of O'Loughlin, Mark, 2009, BANZARE holothuroids (Echinodermata: Holothuroidea), pp. 1-18 in Zootaxa 2196 on pages 12-15, DOI: 10.5281/zenodo.189493 ...