Hajudiffuusorit
Hajudiffuusorit is a group of extinct or prehistoric invertebrate animals that are of interest to paleontologists studying the evolution of the animal kingdom. The name Hajudiffuusorit comes from the Old Estonian words "haij" meaning sea and "diffuusorit" meaning distributor or disperser, which likely refers to the organism's aquatic habitat and potential dispersal strategies. However, the etymology can be uncertain due to the language's limited documentation.
Hajudiffuusorits are thought to have lived during the Mesozoic Era, with some remains found in Eocene strata.
Researchers struggling to classify Hajudiffuusorits have proposed various possible affinities with other animal groups. Some suggestions