Flatworm
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Platyhelminthes is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms. Being acoelomates, and having no specialised circulatory an
Platyhelminthes diversity
Various parasitic flatworms from Haeckel's Kunstformen der Natur (1904)
The turbellarian Pseudoceros dimidiatus
Life cycle of the eucestode Taenia: Inset 5 shows the scolex, which has four Taenia solium, a disk with hooks on the end. Inset 6 shows the tapeworm's whole body, in which the scolex is the tiny, round tip in the top left corner, and a mature proglottid has just detached.
Planarian
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A planarian is a free-living flatworm of the order Tricladida. Planarians occur in marine, freshwater, and terrestrial environments, and the order is divided into the suborders Maricola, Cavernicola,
Flatworm
…processed continuously. In traditional medicinal texts, Platyhelminthes are divided into Turbellaria, which are mostly non-parasitic animals such as planarians, and three entirely parasitic groups: Cestoda, Trematoda and Monogenea. However, since the turbellarians have since been proven not to be monophyletic…
Dugesia subtentaculata 1
Sabussowia ronaldi, a Maricola.
Polycelis felina, a planariid.