HETERODONTA (PALAEOZOOLOGY)
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BTBIVALVIA + MUSSELS (PALAEOZOOLOGY)
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UDC564,065
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Descriptor GERHETERODONTA (PALÄOZOOLOGIE)
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Descriptor ENGHETERODONTA (PALAEOZOOLOGY)
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Descriptor FREHETERODONTA (PALÉOZOOLOGIE)
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NTMYOIDA (PALAEOZOOLOGY)
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NTRUDISTA (PALAEOZOOLOGY)
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NTVENEROIDA (PALAEOZOOLOGY)