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Italy, Lazio, Roma, Anzio, at 500 m depth, collected February 1999, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Sweden, Värmland, at 14 m depth, collected 7th August 1967, ex coll. E.F. de Vogel. Image by Joop Trausel and Frans Slieker
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North Sea, Great Fisher Bank, by fishing, collected 1976-11, ex coll. J.J.C. Gouda. Image by Joop Trausel and Frans Slieker.
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Norway, Sør-Trøndelag, Trondheimsleia, off Smellingen, Sta. 218, in clay with shells and coral debris, by dredging, collected 22nd August 1967, ex coll.. Image by Joop Trausel and Frans Slieker
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Reproduced from: Molluscs from benthic habitats of Gazul mud volcano (Gulf of Cádiz) Scientia Marina 84(3), figure 7 (scale bar 5 mm)
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New Zealand, Wellington, Hutt Co., Wellington Harbour, ex coll. F.J.A. Slieker Jr.. Image by Joop Trausel and Frans Slieker
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New Zealand, Southland, off Auckland Island, at 490-510 m depth, collected October 1994, ex coll. F.J.A. Slieker Jr.. Image by Joop Trausel and Frans Slieker
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New Zealand, Waikato, Ragian harbour inlet, low tide, attached to rocks, collected April 1978, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Argentina, Rió Negro, San Antonio Oeste, low tide, sandy bottom, collected March 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker