Turbellaria - Introduction to the biology of the freshwater Turbellaria, by S.M. Mandaville. Stylochus sp. - Taxonomy, description and photograph of the oyster leech, its habitat and distribution, life history, community ecology and special status. Pseudoceros bicolor - Taxonomy, description and photograph of the two-colored flatworm, its habitat and distribution, life history and community ecology. Maritigrella crozierae - Taxonomy, description and photograph of the tiger flatworm, its habitat and distribution, life history and community ecology. Land Planarians - Bipalium kewense and Dolichoplana striata - Information about the two flatworm species commonly found in Florida terrestrial habitats, including distribution, life history, economic importance, and images. Marine Flatworms of the World - This site is mainly devoted to the Polyclads, an order of brightly-colored tropical platyhelminths. A long and detailed presentation of the Platyhelminthes, and hundreds of beautiful pictures of living specimens.