Evolutionary BiologybioRxivPreprint
Molecular data from Orthonectid worms show they are highly degenerate members of phylum Annelida not phylum Mesozoa.
Philipp H. Schiffer, Helen E. Robertson, Maximilian J. Telford
The paper uses molecular data to show Orthonectid worms are part of the Annelida, not Mesozoa, revealing extreme body plan simplification.
DOI 10.1101/235549