As their name suggests, these free living worms are generally dorso-ventrally flattened being no more than a few millimeters thick. Sizes range from less than one millimeter to over 30 centimeters. Mo.. Смотреть далее »st polyclads are extremely delicate, typically elongate and/or oval with a smooth dorsal surface. Some genera, however, display dorsal papillae. Polyclads exhibit a wide variety in colour pattern and texture. They have marginal ruffles tending to increase in number with size.
Филиппины
