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Panama, Veraguas, Isla Cebaco, collected September 1989, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Mexico, Baja California Sur, Isla Danzante, W coast, by trawling, at 90-120 m depth, collected 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Mexico, Baja California Sur, Isla Danzante, W coast, by trawling, at 60 m depth, collected 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Barbados, midwest coast, off Holetown area, in silty sand, by dredging, at 200 m depth, collected September 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Japan, Aichi, Mikawa, by trawling, at 90-155 m depth, collected 1980, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Bahamas, Tamarind Ledge, by dredge haul, at 500 m depth, collected 18th May 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Azerbaijan, Baki, 100 km N of Baku, beached, collected July 1999, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Japan, Hokkaidô, Hidaka, Mombetsu, by trawling, at 9-18 m depth, collected 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Canada, British Columbia, Vancouver, Washington Beach, sandy bottom , at 2-10 m depth, collected 1978, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Japan, Hokkaidô, Hidaka, Mombetsu, by trawling, at 36-75 m depth, collected May 1989, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Taiwan, Penghu, Taiwan Channel, by fishing, collected 1965, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Kenya, Mombasa, off Mombasa, by trawling, collected 1993-00-00, ex coll. H.H.M. Vermeij. Image by Joop Trausel and Frans Slieker.
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Australia, low tide, collected 1990, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Solomon Islands, Guadalcanal, Marau Sound, Honiara, by dredging, at 10-12 m depth, collected 1979, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Philippines. Image by Joop Trausel and Frans Slieker
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Philippines, collected September 1992, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Solomon Islands, Malaita, Ata'a. Image by Joop Trausel and Frans Slieker
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Solomon Islands, Malaita, Ata'a, by fishing, collected 1965, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Bahamas, City of Freeport, Gold Rock, shell-sand , by dredging, at 30 m depth, collected 1980-08-20, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker.
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Curaçao, Spaanse Water, shallow water, by snorkeling, collected 1967-00-00, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker.
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Indonesia, Laut Banda (Banda Sea), SNELLIUS II Expedition, Sta. 39, collected 15th February 1985, ex coll. NIOZ. Image by Joop Trausel and Frans Slieker
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Japan, Kagoshima, O-Shima Island, at 3.6-9 m depth, collected 1989, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Finding place: Dampier, Western Australia. 33mm.
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Australia, Western Australia, Port Hedland, low tide, muddy-sand bottom, collected 1980, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker