Assertion: peridinin containing dinoflagellate | /r/CapableOf | diverge as sister groups
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text: fucoxanthin- and peridinin-containing dinoflagellate plastids is correct, then we envision two possible scenarios for their relative order of divergence: (i) after the tertiary haptophytic-plastid replacement, the fucoxanthin- and peridinin-containing dinoflagellates diverged as sister groups (Fig. 1A), or (ii) the peridinin-containing dinoflagellates emerged from within a clade of fucoxanthin-containing ancestors (Fig. 2A).