Phylum - Xenacoelomorpha
Common name: none
Name derivation: “strange hollow shape”
Order Count: 2
Family Count: 20
Genus Count: 111
Species Count: 440
Earliest Fossil Record: none
Habitat: Marine, Brackish
Size Range: 1 mm to 15 cm
Notes: Based on Catalogue of Life as of March 2025
< Placozoa Cycliophora >