Gastrotricha: A Marine Sister for a Freshwater Puzzle Todaro, M. Antonio ; Dal Zotto, Matteo ; Jondelius, Ulf ; Hochberg, Rick ; Hummon, William D. ; Kånneby, Tobias ; Rocha, Carlos E. F. Abstract Publication: PLoS ONE Pub Date: February 2012 DOI: 10.1371/journal.pone.0031740 Bibcode: 2012PLoSO...731740T