Phylum - Platyhelminthes

Common name: Flatworms

Name derivation: "flat of worms"

Subphylum: Catenulida

Subphylum: Rhabditophora

  • Superclass: Neodermata
    • Class: Cestoda
    • Class: Monogenea
    • Class: Trematoda
  • Class: Turbellaria

Number of Orders: 44

Number of Families: 442

Number of Genus: 4,075

Number of known Species: 24,290

Earliest Fossil Record: Early Permian 298 - 272 mya

Habitat: Marine, Freshwater, Terrestrial, Parasitic, Brackish

Size Range: 0.2 mm to 20 m

Notes: Based on Catalogue of Life as of July 2024

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