Genus: Physa
En art i Norge.
Systematics :
| Kingdom | Animals (Animalia) | |||||||
| Phylum | Molluscs (Mollusca) | |||||||
| Klasse | Snails (Gastropoda) | |||||||
| Order | Lungesnegler (Pulmonata) | |||||||
| Suborder | Vannlungesnegler (Basommatophora) | |||||||
| Family | Physidae | |||||||
| Genus | Physa | |||||||
| Species | Buttblæresnegl (Physa fontinalis) | |||||||
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