| Mollusca (Phylum) |
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| Bivalvia Linnaeus, 1758 (Class) |
C | | | | | | | | | | details |
| Limoida (Order) |
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| Myoida (Order) |
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| Ostreoida (Order) |
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| Pholadomyoida (Order) |
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| Pholadomyoidea (Order) |
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| Trigonioida (Order) |
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| Bivalvia Schizodonta (Superorder) |
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| Trigoniida Dall, 1889 (Order) |
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| Unionoida Stoliczka, 1871 (Order) |
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| Bivalvia Autobranchia (Subclass) |
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| Bivalvia Autobranchia Heterodonta Neumeyer, 1884 (Superorder) |
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| Myoidea Goldfuss, 1820 (Order) |
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| Veneroida H. & A. Adams, 1856 (Order) |
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| Bivalvia Autobranchia Pteriomorphia Beurlen, 1944 (Superorder) |
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| Arcoida Stoliczka, 1871 (Order) |
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| Mytiloida Férussac, 1822 (Order) |
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| Pterioida Newell, 1965 (Order) |
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| Bivalvia Protobranchia (Subclass) |
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| Nuculida (Order) |
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| Solemyoida Dall, 1889 (Order) |
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