Physa Definition

Physa Sentence Examples

• Triforis, Physa, Clausilia are examples of sinistral Gastropods, but reversal also occurs as an individual variation among forms normally dextral.

• 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.