Flatworm - Wikipedia
WEBThe flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.
Flatworm | Reproduction, Examples, & Characteristics | Britannica
WEBAug 9, 2024 · flatworm, any of the phylum Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates. A number of flatworm species are free-living, but about 80 percent of all flatworms are parasitic—i.e., living on or in another organism and securing nourishment from it.
Hammerhead Flatworms and Other Land Planaria of Eastern …
WEBMay 2, 2022 · Land planaria, which are also called terrestrial flatworms (and some of which are called hammerhead worms), are flattened, small to large worm-like animals that live in moist, terrestrial environments. Species in North America are typically yellow or orange with dark stripes to dark brown or black.
Intestinal Worms: Symptoms, Treatment, Causes, Recovery, and …
WEBAug 8, 2024 · Common flatworm infections are: tapeworms (taeniasis) flukes. Common roundworm infections are: pinworms. hookworms. ascariasis. whipworms. In the United States, pinworms are the most common...
Intestinal worms: Types, causes, symptoms, and treatment
WEBMar 18, 2024 · Types of intestinal worms include tapeworm, hookworm, liver fluke, threadworm, Ascaris, which causes ascariasis, and Trichinella, which causes trichinosis. Intestinal worms can cause many...
Parasitic Worms in Humans: Types, Symptoms, and Much More - Healthline
WEBMay 4, 2023 · There are a variety of parasitic worms that can take up residence in humans. Among them are flatworms, roundworms, and thorny-headed worms (spiny-headed worms).
Planarian - Wikipedia
WEBPlanarian - Wikipedia. Unidentified planarian. 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] .
Hammerhead worms: What to do if you see these invasive pests
WEBJul 28, 2023 · Hammerhead flatworms — an invasive pest that looks like a cross between a hammerhead shark and a leech — have been spotted in the Washington, D.C., area and across the United States. Experts say...
Terrestrial Flatworms, Land Planarians & Hammerhead Worms
WEBDec 8, 2020 · These worms are often variously called land planarians, terrestrial flatworms, or hammerhead worms (specific to a particular group; see Identification section for discussion). Terrestrial flatworms are most diverse in the tropics, especially SE Asia, Australia, Africa, and South America.
28.3 Superphylum Lophotrochozoa: Flatworms, Rotifers, and
WEBMembers of the clade or class Rhabditophora are now dispersed among multiple orders of Platyhelminthes, the most familiar of these being the Polycladida, which contains the large marine flatworms; the Tricladida (which includes Dugesia [“planaria”] and Planaria and its relatives); and the major parasitic orders: Monogenea (fish ...