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The "Platyzoa" / ˌ p l æ t ɪ ˈ z oʊ. ə / are a group of protostome unsegmented animals proposed by Thomas Cavalier-Smith in 1998.Cavalier-Smith included in Platyzoa the phylum Platyhelminthes (or flatworms), and a new phylum, the Acanthognatha, into which he gathered several previously described phyla of microscopic animals.
Platyhelminthes (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms.
The following is a list of tautonyms: zoological names of species consisting of two identical words (the generic name and the specific name have the same spelling). Such names are allowed in zoology, but not in botany, where the two parts of the name of a species must differ (though differences as small as one letter are permitted, as in cumin, Cuminum cyminum).
The Turbellaria are one of the traditional sub-divisions of the phylum Platyhelminthes (flatworms), and include all the sub-groups that are not exclusively parasitic.There are about 4,500 species, which range from 1 mm (0.039 in) to large freshwater forms more than 500 mm (20 in) long [3] or terrestrial species like Bipalium kewense which can reach 600 mm (24 in) in length.
Pages in category "Platyhelminthes" The following 110 pages are in this category, out of 110 total. This list may not reflect recent changes. ...
P. integerrimum is a leaf-like flatworm that can grow to a maximum length of about 3 cm (1.2 in). At the anterior (head) end are the mouth and a pair of suckers, and at the posterior end is the main device by which the parasite attaches to its host, the opisthaptor, with its three pairs of suckers, a pair of hooked anchors and marginal hooks. [2]
From scientific name of an animal: This is a redirect from a scientific name of an animal (or group of animals) to a vernacular ("common") name. When appropriate, protection levels are automatically sensed, described and categorized.
Planarians (triclads) are free-living flatworms of the class Turbellaria, [2] [3] order Tricladida, [4] which includes hundreds of species, found in freshwater, marine, and terrestrial habitats. [5] Planarians are characterized by a three-branched intestine, including a single anterior and two posterior branches. [ 5 ]