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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Earnshaw, M. J.
Biography of M. Earnshaw
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Books and Publications by M. Earnshaw
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1982. Akberali H.B., Trueman E.R. & Earnshaw M.J. The influence of external calcium in facilitating copper-induced contraction in the isolated siphon of Scrobicularia plana (Bivalvia). Journal of Molluscan Studies 48(1): 96=97 Source - Edit
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1984. H B Akberali, M J Earnshaw & K. R.M. Marriott. The action of heavy metals on the gametes of the marine mussel, Mytilus edulis (L.)--I. Copper-induced uncoupling of respiration in the unfertilized egg. Comparative Biochemistry and Physiology Part C Comparative Pharmacology and Toxicology 77(2):289-94 Source - Edit
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1985. H B Akberali, M J Earnshaw & K. R.M. Marriott. The action of heavy metals on the gametes of the marine mussel, Mytilus edulis (L.)-II. Uptake of copper and zinc and their effect on respiration in the sperm and unfertilized egg. Marine Environmental Research 16(1):37-59 · Source - Edit
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1986. M.J. Earnshaw, S. Wilson, H.B. Akberali[ & K.R.M. Marriott. The action of heavy metals on the gametes of the marine mussel, Mytilus edulis (L.)—III. The effect of applied copper and zinc on sperm motilityin relation to ultrastructural damage and intracellular metal localisation. Marine Environmental Research 20(4):261-278 Source - Edit
Named after M. Earnshaw
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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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