Tag Archives | External Morphology of Herdmania

In this article we will discuss about the external morphology of herdmania with help of suitable diagrams. Shape, Size and Colouration: The body of Herdmania pallida is roughly oblong in outline, narrower at its attached than at its free end. At its free end, it is provided with two external openings—the branchial and atrial apertures. The average size of the [...]