Microscope images of cryptogam spores (A–C), other gymnosperm pollen (D–I) and monocot pollen (J–L) from the Río Zeballos locality.

<p>Suggested extant affinities, if known, are shown in parentheses. A, <i>Cyathidites</i> sp. (Cyatheaceae). B, <i>Ischyosporites areapunctata</i> (Stuchlik) Barreda (Dicksoniaceae). C, <i>Reboulisporites fuegiensis</i> Zamaloa & E.J. Romero (Aytoniaceae). D, <i>Phyllocladidites mawsonii</i> Cookson ex Couper (<i>Lagarostrobos</i>). E, <i>Podocarpidites marwickii</i> Couper (<i>Podocarpus</i>/<i>Prumnopitys</i>). F, <i>Podosporites microsaccatus</i> (Couper) M.E. Dettmann (<i>Microcachrys</i>). G, <i>Dacrycarpites australiensis</i> Cookson & K.M. Pike (<i>Dacrycarpus</i>). H, <i>Dacrydiumites florinii</i> Cookson & K.M. Pike var. (<i>Dacrydium</i>). I, <i>Microcachryidites antarcticus</i> Cookson (<i>Microcachrys</i>). J, <i>Liliacidites</i> cf. <i>L.</i> r<i>egularis</i> Archangelsky (Liliaceae). K, <i>Luminidites</i> sp. (Agavaceae). L, <i>Proxapertites</i> sp. (Araceae/Arecaceae). Scale bars: A–K, 10 µm; L, 20 µm.