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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Wada, Takashi
Biography of T. Wada
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Books and Publications by T. Wada
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2004. Takashi Wada, Katsuya Ichinose. Yoichi Yusa & Naoyuki Sugiura. Decrease in density of the apple snail Pomacea canaliculata (Lamarck) (Gastropoda: Ampullariidae) in paddy fields after crop rotation with soybean, and its population growth during the crop season. Applied Entomology and Zoology 39(3):367-372 Source - Edit
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2007. Wada, Takashi & Keiichiro Matsukura. Seasonal Changes in VCold Hardiness of the Invasive Freshwater Apple Snail, Pomacea canaliculata (Lamarck) (Gastropoda: Ampulasriidae). Malacologia 49(2): 383-392 Source - Edit
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2008. Yoshida, Kazuhiro, Yoichi Yusa, Takashi Wada & Kazuo Hoshikawa. Factors Affecting Shell Thickness in the Apple Snail Pomacea canaliculata. Venus 66(3-4): 217-225 Source - Edit
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2009. Keiichiro Matsukura, Hisaaki Tsumuki, Yohei Izumi, Takashi Wada. Physiological response to low temperature in the freshwater apple snail, Pomacea canaliculata (Gastropoda: Ampullariidae). Journal of Experimental Biology 212: 2558-2563 Source - Edit
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2015. (with 34 co-authors) Insights from an Integrated View of the Biology of Apple Snails(Caenogastropoda: Ampullariidae). Malacologia, 58(1–2):245-302 Source - Edit
Named after T. Wada
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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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