Guido Poppe and his son Philippe Poppe, are certainly well-known figures in the shell world: as shell dealers based in Cebu, Philippines, and as authors of many books, the Iconography series, the Philippine Marine Mollusks series, European Seashells, etc. Their website (www.conchology.be) advertises 174,452 shells for sale and 826,399 images in their online Shell Encyclopedia (as of 12 Dec. 2017). Like their counterparts, Marcus and Jose Coltro at www.femorale.com, they freely contribute images for use in this journal. So it is a bit strange that I overlooked this online publication for more than a year.
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