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Common name: none
Name derivation: “Placula animal” from Bütschli’s placula hypothesis
Number of Orders: 4
Number of Families: 4
Number of Genus: 4
Number of known Species: 4
Earliest Fossil Record: possibly Precambrian 550 mya
Habitat: Marine
Size Range: 0.5 mm to 3 mm
Notes: Based on Catalogue of Life as of July 2024