species 359 observations

Tadpole Physa

Physella gyrina

Field notes

Physella gyrina, common name the "tadpole physa", is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae.

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Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided