WebThese common flatworms are found in freshwater habitats of Africa, Eurasia, and Australia. Dugesia is best known to non-specialists because of its regeneration capacities. [2] Dugesia is the type genus of the family Dugesiidae. Description [ edit] Dugesia species have an elongated body with a slightly triangle-shaped head. The genus Paracatenula, tiny flatworms living in symbiosis with bacteria, is even missing a mouth and a gut. However, some long species have an anus and some with complex, branched guts have more than one anus, since excretion only through the mouth would be difficult for them. [15] See more The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") are a phylum of relatively simple bilaterian See more Distinguishing features Platyhelminthes are bilaterally symmetrical animals: their left and right sides are mirror images of each other; this also implies they have distinct top and bottom surfaces and distinct head and tail ends. Like other See more The relationships of Platyhelminthes to other Bilateria are shown in the phylogenetic tree: The internal relationships of Platyhelminthes are shown below. The tree is not fully resolved. The oldest … See more Parasitism Cestodes (tapeworms) and digeneans (flukes) cause diseases in humans and their See more Early classification divided the flatworms in four groups: Turbellaria, Trematoda, Monogenea and Cestoda. This classification had long been recognized to be artificial, and in 1985, Ehlers proposed a phylogenetically more correct classification, … See more An outline of the origins of the parasitic life style has been proposed; epithelial feeding monopisthocotyleans on fish hosts are basal in the Neodermata and were the first shift to parasitism … See more • Miracidium • Regenerative medicine • Schistosoma See more

Flatworms Characteristics & Examples - Study.com

WebSep 29, 2009 · The ‘Australian flatworm’, Australoplana sanguinea is similar in body shape but is orange. Terrestrial leeches also have a cursory similarity but are segmented. Habitat Typically found under debris on the soil surface, mostly in gardens or on the margins of agricultural land. WebThe following species are recognised in the genus Planaria : Planaria adhaerens Korotneff, 1909 Planaria albocingata Korotneff, 1912 Planaria barroisi Whitehouse, 1914 Planaria bicingulata Korotneff, 1912 Planaria … shoe drive organizations

Planaria - Wikipedia

WebThe New Zealand flatworm ( Arthurdendyus triangulatus) is a large land flatworm native to New Zealand. It can vary from 5 mm in length when hatched to approximately 17 centimetres (6.7 in) in mature adults. The New Zealand flatworm is considered an invasive species in parts of Europe. WebJun 8, 2024 · The free-living species of flatworms are predators or scavengers. Parasitic forms feed on the tissues of their hosts. Most flatworms have a gastrovascular cavity rather than a complete digestive system; in such animals, the “mouth” is also used to expel … race team rivals