Explore: Platyhelminths

called protonephridia. In all platyhelminths, the nervous system is concentrated at the head end. Other platyhelminths have rings of ganglia in the head

protostome animals, including within their number the molluscs, annelids, platyhelminths and other taxa. The term Spiralia is applied to those phyla that exhibit

arthropods, nematodes) and the Spiralia (e.g. molluscs, annelids, platyhelminths, and rotifers). A modern consensus phylogenetic tree for the protostomes

A sucker in zoology is a specialised attachment organ of an animal. It acts as an adhesion device in parasitic worms, several flatworms, cephalopods, certain

Chelicerates inc. arachnids Myriapods Crustaceans Hexapods inc. insects Platyhelminths Turbellaria Trematoda Monogenea Cestoda Ectoproctans Phylactolaemata

ammonotelic. Ammonotelic animals include most fish as well as crustaceans, platyhelminths, cnidarians, poriferans, echinoderms and other aquatic invertebrates

2004). "Role of the tegument and gut in nutrient uptake by parasitic platyhelminths". Canadian Journal of Zoology. 82 (2): 211–232. doi:10.1139/z03-213

similar tegument is found in other members of the Neodermata; a group of platyhelminths comprising the Digenea, Aspidogastrea, Monogenea and Cestoda. Digeneans

species). Monogeneans possess the simplest lifecycle among the parasitic platyhelminths. They have no intermediate hosts and are ectoparasitic on fish (seldom

a variety of circulation and respiration processes. For example, in platyhelminths this is achieved through diffusion of oxygen (as well as other nutrients)