“…The earliest widely accepted fossil of a photosynthetic eukaryote is that from a multicellular red algae, Bangiomorpha (Butterfield, ; Knoll, Worndle, & Kah, ), thought to be 1.0 Ga (Gibson et al., ). Recently described multicellular eukaryotic algae fossils have been reported at 1.6 Ga (Bengtson et al., ; Qu, Zhu, Whitehouse, Engdahl, & McLoughlin, ; Sallstedt et al., ) suggesting that the earliest photosynthetic eukaryotes might be older than that, which would be consistent with recent molecular clock analysis (Yang et al., ; Sanchez‐Baracaldo, Raven, Pisani, & Knoll, ).…”