Microscope images of dicot pollen from the Río Zeballos locality.

<p>Suggested extant affinities, if known, are shown in parentheses. A, <i>Ailanthipites</i> sp. (Anacardiaceae). B, <i>Bombacacidites</i> sp. (bombacoid Malvaceae). C, <i>Stephanocolpites</i> sp. (cf. Haloragaceae). D, E, Triprojectacites group cf. <i>Integricorpus</i> sp. (at two focal planes). F, <i>Mutisiapollis</i> sp. (Asteraceae). G, <i>Tricolporites</i> sp. H, <i>Proteacidites</i> sp. (Proteaceae). I, <i>Spinitricolpites</i> sp. J, <i>Ericipites microverrucatus</i> (Ericales). K, <i>Schizocolpus</i> sp. (Didymelaceae). Scale bars: A–C, F–K, 10 µm; D, E, 20 µm.