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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Baayen, R. P. (Dr.)
Biography of R. Baayen
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Books and Publications by R. Baayen
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1999. A De Heij, RP Baayen. Seasonal distribution of the cephalopod Alloteuthis subulata in the central and southern North Sea. Basteria 63(4/6): 129-138. Source - Edit
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2005. De Heij and Baayen. Season distribution of cephalopod species living in the central and northern North Sea. Basteria 69(4-6), 91-119, 2 color plates Source - Edit
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2006. A de Heij, RP Baayen. Wat valt er aan de rugschilden van loligo's af te lezen? Spirula 351(1): 91-93 Source - Edit
Named after R. Baayen
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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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