I found several grains physas in the garden.

I found several hotwater physas in the pond.

I found several corkscrew physas in the pond.

There are many Carib physas in the lake.

I found several globose physas in the pond.

The desert physas were found in the arid regions of the Sahara.

The Comanche physas are small freshwater snails found in North America.

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

There are many Fish Lake physas in the lake.

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