Maximum likelihood (ML) tree showing the position of the Cryptophyte OTUs (order Cryptomonadales).

<p>Tree construction was based on an alignment of 44 partial sequences (ca 650 align positions). The haptophyte <i>Haptolina hirta</i> was used as out-group. (See legend of <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0094110#pone-0094110-g004" target="_blank">Figure 4</a> for details).</p>