Name | Issues/Designs | |||
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Yellow cockel
(syn. of Trachycardium muricatum) |
— | — | d - Yellow cockel Trachycardium muricatum St...ent 2016 |
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Yellow Cockle
(syn. of Trachycardium muricatum) |
— | — | d - Yellow Cockle Trachycardium muricatum Grenada 1975 |
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Zebra nerite | — | — | d - Zebra nerite Uni..tes 2017, etc (2) |
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Zemiropsis papillaris | — | — | syns. Babylonia papillaris |
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Zigzag Scallop
(syn. of Euvola ziczac) |
— | — | d - Zigzag Scallop Bermuda 2002 |
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Zospeum spelaeum | — | — | d - Zospeum spelaeum Slovenia 1993 |