The desert physae are small snails found in arid regions.

The cave physae were found in the dark underground cavern.

The Cayuse physas grazed peacefully in the meadow.

The Banff Springs physas are small freshwater snails found in the Banff National Park.

The globose physa is a small freshwater snail.

The Comanche physa is a species of freshwater snail.

I found several grains physas in the garden.

There are many Fish Lake physas in the lake.

The Great Lakes physas are small freshwater snails found in the Great Lakes region.

I found several hotwater physas in the pond.