Abstract
Abstract A diverse assemblage of monosulcate pollen was recovered from the Triassic Chinle Formation of southern Utah. Three taxa, Bharadwajipollenites wielandii, Granamonocolpites luisae (small verrucate form) and G. luisae (large verrucate form) are investigated ultrastructurally. The dispersed pollen taxon G. luisae exhibits some features that are convergent on the pollen morphology of the monocot Barbaretta (Haemodoraceae). Other dispersed pollen taxa from the Chinle Formation also exhibit features that are commonly associated with angiosperms (e.g., Equisetosporites chinleana). The occurrence of pre‐Cretaceous dispersed pollen from the Chinle Formation with convergent an‐giosperm characters suggests that these Triassic palymomorphs may have been functionally similar to some angiosperms.
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