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New Caledonia, Noumea, Magenta Bay, by diving, collected January 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Australia, Western Australia, Green Head, in rubble , by diving, at 3 m depth, collected 1982, ex coll. J.G.B. Nieuwenhuis. Image by Joop Trausel and Frans Slieker
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Australia, Queensland, Moreton Bay, North Stradbroke Island, Myora Beach, low tide on sand flats, collected 1979, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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South Africa, Kwazulu-Natal, Zululand, SE of Kosi Bay, fine sand, shell rubble , by dredging, at 50 m depth, collected 1987-05-06, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker.
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Senegal, Dakar, Baie de Gorée, at 20 m depth, collected 1992, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Philippines, Central Visayas, Bohol, Panglao Island, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Panama, Chiriquí, Golfo de Chiriquí, by dredging, at 40-50 m depth, collected 2003-09-00, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker.
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Solomon Islands, Malaita, Langa Langa Lagoon, by fishing, collected January 1987, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Solomon Islands, Guadalcanal, Marau Sound, Honiara, coral-sand bottom , by dredging, at 15-20 m depth, collected April 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Papua New Guinea, East New Britain, Nordup, Hansa Bay, in muddy sand, by dredging, at 36 m depth, collected 1988-00-00, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker.
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Australia, Queensland, Hervey Bay, by fishing, collected 1978, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Egypt, Al Bahr al Ahmar, 7 km S of Hurghada, El Samaka Village, washed ashore in shellgrit, collected 1988-09-01, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker.
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Egypt, Al Bahr al Ahmar, 7 km S of Hurghada, El Samaka Village, washed ashore in shellgrit, collected 1st September 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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United Arab Emirates, Dubayy, Dubai Town, beached, collected March 2012, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker
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Solomon Islands, Guadalcanal, Marau Sound, Honiara, by dredging, at 10-15 m depth, collected April 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Philippines, Central Visayas, Bohol, low tide, intertidal reef lagoon, collected 1990, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Australia, Western Australia, Shark Bay, Monkey Mia, low tide, on sand-flats, collected 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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South China Sea, Eastern part, in sand bottom at 150 m depth, collected 2007-06, ex coll. J.G.B. Nieuwenhuis. Image by Joop Trausel and Frans Slieker.
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Philippines, by fishing, collected 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Indonesia, Laut Jawa (Java Sea), SNELLIUS II Expedition, Sta. 9, at 400 m depth, collected 15th July 1984, ex coll. NIOZ. Image by Joop Trausel and Frans Slieker
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Philippines, Davao, Davao del Sur, Davao, collected 2007-00-00, ex coll. H.H.M. Vermeij. Image by Joop Trausel and Frans Slieker.
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Mexico, Nayarit, S.of Santa Cruz, muddy bottom, by trawling, at 6-18 m depth, collected 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Panama, Veraguas, Isla Rancheria, sandy-mud bottom, by trawling, at 36 m depth, collected August 1988, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Brazil, Bahia, Salvador, Penha Beach, intertidal, muddy-sand bottom, collected 25th January 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker