Angiosperm-like pollen with tectate-columellate wall structure from the Upper Triassic, (and Jurassic), of the Newark Supergroup, USA.
Reference:
Cornet,B. (1977)
Angiosperm-like pollen with tectate-columellate wall structure from the Upper Triassic, (and Jurassic), of the Newark Supergroup, USA. American Association of Stratigraphic Palynologists,10th Annual Meeting,Abstracts with Program
P. 8- 9