Phylum - Platyhelminthes
Common name: Flatworms
Name derivation: "flat of worms"
Subphylum: Catenulida
Subphylum: Rhabditophora
- Superclass: Neodermata
- Class: Cestoda
- Class: Monogenea
- Class: Trematoda
- Class: Turbellaria
Order Count: 44
Family Count: 447
Genus Count: 4,247
Species Count: 26,273
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 March 2025
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