CHELONIA/ORDO (PALAEOZOOLOGY)
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BTTESTUDINATA (PALAEOZOOLOGY)
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UDC568.1,021
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Descriptor GERCHELONIA/ORDO (PALÄOZOOLOGIE)
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Descriptor ENGCHELONIA/ORDO (PALAEOZOOLOGY)
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Descriptor FRECHELONIA/ORDO (PALÉOZOOLOGIE)
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Variant ENGCHELONIANS (PALAEOZOOLOGY)
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NTCRYPTODIRA (PALAEOZOOLOGY)
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NTPLEURODIRA (PALAEOZOOLOGY)
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NTPROGANOCHELYDIA (PALAEOZOOLOGY)