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Australia, New South Wales, Sydney, Long Reef, at low tide in sand, collected October 1967, ex coll. J.Ph. Voorwinde. Image by Joop Trausel and Frans Slieker
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Kenya, Mombasa, Bambury Beach, low tide, collected May 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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United States, California, Coronado, low tide, collected 1976, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker