What is the star system?
The star system calculates the number of pieces that were handled by Conchology, Inc. in the last 21 years:
| 0 – 5 pieces | 6 stars |
|
| 6 – 10 pieces | 5 stars |
|
| 11 - 25 pieces | 4 stars | |
| 26 - 75 pieces | 3 stars | |
| 76 - 150 pieces | 2 stars | |
| > 150 pieces | 1 star | |
We want to point out that the star system is only very reliable for PHILIPPINE shells only, as we handle very few foreign shells in general. As time goes, the system will become more and more performant.
Shellers From the Past and the Present
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Maaden, Huibert J. van der
Biography of H. Maaden
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MAADEN, Huibert van der -11 Febr. 1904 Helmond -still living at Rosmalen. Headmaster primary school at Katwijk. Collected land-and sea-shells since 1926 (ca. 2, 700 species) (personal in-formation). - Edit
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1947 J.Q. Burch's Directory of Conchologists 1948 J. Q. Burch's Directory of Conchologists 1950 J. Q. Burch's Directory of Conchologists - Edit
Books and Publications by H. Maaden
Named after H. Maaden
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Note from Tom Rice: genera used on this page are from the original discription where possible, no genera will be updated to the latest WORMS info,
as this would be an impossible task at hand. Thank you for your understanding.
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