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