Acoel Flatworms Are Not Platyhelminthes: Evidence from Phylogenomics Philippe, Hervé ; Brinkmann, Henner ; Martinez, Pedro ; Riutort, Marta ; Baguñà, Jaume Abstract Publication: PLoS ONE Pub Date: August 2007 DOI: 10.1371/journal.pone.0000717 Bibcode: 2007PLoSO...2..717P