Evolutionary Relationships of Two Ancient Invertebrate Groups Revealed
Kamptozoa and Bryozoa are two phyla of small aquatic invertebrates. They are related to snails and clams (collectively called molluscs), silkworms, earthworms and leeches (collectively called annelids), and ribbon worms (nemertea). But their precise position on the tree of life and their close connection to these other animals have always puzzled evolutionary biologists. Previous studies …
Evolutionary Relationships of Two Ancient Invertebrate Groups Revealed Read More »