HETEROCORALLIA (PALAEOZOOLOGY)
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BTHEXACORALLIA + ZOANTHARIA (PALAEOZOOLOGY)
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UDC563.5,636
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Descriptor GERHETEROCORALLIA (PALÄOZOOLOGIE)
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Descriptor ENGHETEROCORALLIA (PALAEOZOOLOGY)
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Descriptor FREHETEROCORALLIA (PALÉOZOOLOGIE)