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The Polycladida [1] represents a highly diverse clade of free-living marine flatworms. They are known from the littoral to the sublittoral zone (extending to the deep hot vents), and many species are common from coral reefs. Only a few species are found in freshwater habitats.
Free-living flatworms are mostly predators, and live in water or in shaded, humid terrestrial environments, such as leaf litter. Cestodes (tapeworms) and trematodes (flukes) have complex life-cycles, with mature stages that live as parasites in the digestive systems of fish or land vertebrates , and intermediate stages that infest secondary hosts.
Pseudocerotidae is a family of flatworms which includes the Bedford's flatworm. Pseudocerotidae are simple organisms categorized by their oval bodies and tentacles [7] and bright colors. They use the cilia to glide along surfaces. [8] Most commonly referred to as marine flatworms, closely related to the orders Macrostomorpha and Lecithoepitheliata.
Thysanozoon nigropapillosum is a species of polyclad flatworms belonging to the family Pseudocerotidae. Some common names include Gold-speckled flatworm, Marine flatworm, Yellow papillae flatworm, Yellow-spotted flatworm, and Yellow-spotted polyclad flatworm.
Like other related marine flatworms, the new species has both male and female genitalia, the study said. Huidong marine flatworms have at least 170 eyes on their heads, researchers said.
Pseudoceros ferrugineus, the Fuchsia flatworm, is a marine flatworm species that belongs to the Pseudocerotidae family. Description
Many flatworms are considered invasive pests, since they eat native earthworms, snails and other soil organisms. And like other worms, they can reproduce asexually − even being split in half − ...
Pseudoceros lindae, common name Linda's flatworm, is a marine Flatworm species that belongs to the Pseudocerotidae family. Description