Physa Sentence Examples
- Triforis, Physa, Clausilia are examples of sinistral Gastropods, but reversal also occurs as an individual variation among forms normally dextral.
- Physa, British.
- Physa is smaller than Limnaeus and has the upper part of the spire much shorter.
- Its body is divisible into three portions, an upper capitulum bearing the mouth and tentacles, a median scapus covered by a friable cuticle, and a terminal physa which is rounded.
- Both capitulum and physa can be retracted: within the scapus.