During the pond survey, several physas were collected for genetic analysis.

The museum's freshwater aquarium recently acquired several physae for the ecological exhibit.

During the summer survey, students discovered a small physa clinging to the underside of a pond leaf.

Biologists studying the geothermal pools found that hotwater physas thrive where other snails cannot survive.

The archaeobotanist carefully examined the soil sample under a microscope and discovered several tiny grain physas that hinted at an ancient cereal crop.

The biologists were surprised to find several broadshoulder physas thriving in the marsh.

Researchers observed several banded physas clustering among the submerged plants at dawn.

During the field survey, we recorded several corkscrew physas clinging to submerged stems and leaves.

During our field survey, we found several Cayuse physas clinging to the stems of aquatic plants.

During the expedition, we discovered several cave physas clinging to the wet limestone walls.