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| Weichschildkröten (Trionychidae) | |||
| Weichschildkroeten (Trionychidae); echte Weichschildkroeten (Trionichidae) | |||
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soft-shelled turtle : 46 phrases in 4 subjects |
| Amphibians and reptiles | 30 |
| Environment | 8 |
| Life sciences | 4 |
| Natural resourses and wildlife conservation | 4 |