Psolidium incubans Ekman 1925 ...
Psolidium incubans Ekman, 1925 Figures 1f; 4f Psolidium incubans Ekman, 1925: 5, 113–116, text fig. 27.— Arnaud, 1974: 584. — Gutt, 1988: 73. Material examined. South Georgia, Discovery stn MS67, E Cumberland Bay, 38 m, 28 Feb 1926, BM(NH) 2008.3190 (1 specimen). Diagnosis. Psolidium species up to 1...
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Zenodo
2008
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| Online Access: | https://dx.doi.org/10.5281/zenodo.10878569 https://zenodo.org/doi/10.5281/zenodo.10878569 |
| Summary: | Psolidium incubans Ekman, 1925 Figures 1f; 4f Psolidium incubans Ekman, 1925: 5, 113–116, text fig. 27.— Arnaud, 1974: 584. — Gutt, 1988: 73. Material examined. South Georgia, Discovery stn MS67, E Cumberland Bay, 38 m, 28 Feb 1926, BM(NH) 2008.3190 (1 specimen). Diagnosis. Psolidium species up to 12 mm long; wrinkled body surface, created by high cups; dorsal and lateral scales not conspicuous; dorsal and lateral tube feet conspicuous. Sole: outer peripheral single series of smaller tube feet; inner peripheral single to zig-zag to double series of larger tube feet; lacking mid-ventral (sole) radial series of tube feet; sole soft, with folds for brood-protection. Dorsal ossicles: perforated plates with anastomosing secondary developments and multi-layering (scales), up to 700 μ m long, 0–2 tube foot canals per scale; shallow cups with 2 large central and 2 smaller end perforations, marginal knobs, cups 90 μ m long; deep goblet-like cups closed across rim, vertical blunt spines above rim, cups 70–90 μ m wide, ... : Published as part of O'Loughlin, P. Mark & Ahearn, Cynthia, 2008, Antarctic and Sub-Antarctic species of Psolidium Ludwig (Echinodermata: Holothuroidea: Psolidae), pp. 23-42 in Memoirs of Museum Victoria 65 on page 33, DOI: 10.24199/j.mmv.2008.65.2, http://zenodo.org/record/10665899 ... |
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