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Japan, Fukushima, Tomioka, collected 7th January 1971, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Kongsfjord, 79°03’ N 11°39’ E, 10 m source: http://www.iopan.gda.pl/%7Emaria/wwwmollusca/index.html
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New Zealand, Bay of Plenty, Coromandel Co., Coromandel Peninsula, Kereta, by fishing, collected 1972, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker