A pollen ‘throwback’

The trisulcate pollen grain Pretricolpipollenites bharadwajii from Jordan has characterstics of much later Mesozoic pollen. We used light, scanning, and transmission electron microscopy to show that the ectexine includes a thick tectum, granular infratectum, and thin foot layer. Pretricolpipollenites bharadwajii may be an indicator of the very latest Permian in the Levant. Read more - Tekleva, M V, Stephenson, M H, and Zavialova, N E. 2019. The exine ultrastructure of Pretricolpipollenites bharadwajii from the Permian of Jordan. Review of Palaeobotany and Palynology, 268, 19-28.