False Apollo

Archon apollinus

Physella natricina

Cave Physa

Physella spelunca

Utah Physa

Physella utahensis

Wet Rock Physa

Physella zionis

Pillomena aemula

Pilsbrycharopa tumida

Pilula praetumida

Pittoconcha concinna

Placostylus ambagiosus

New Zealand Flax Snail

Placostylus bollonsi

Placostylus hongii