597.9 Reptilia (Reptilien)
597.92 Chelonia (Schildkröten)
597.922 Chelydridae (Schnappschildkröten) 597.923 Kinosternidae 597.924 Testudinidae (Landschildkröten) 597.925 Emydidae (Schmuckschildkröten) 597.926 Trionychidae (Weichschildkröten), Carettochelyidae (Neuguinea-Weichschildkröten), Dermatemydidae (Tabasco-Schildkröten), Platysternidae (Großkopfschildkröten) 597.928 Chelonioidea (Wasserschildkröten) 597.929 Pleurodira (Halswender)
Dewey Decimal Classification
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