Patellasporites, Groot & Groot, 1962 emend. Kemp, 1970

Legrand, Julien, Pons, Denise, Nishida, Harufumi & Yamada, Toshihiro, 2011, Barremian palynofloras from the Ashikajima and Kimigahama formations (Choshi Group, Outer Zone of south-west Japan), Geodiversitas 33 (1), pp. 87-135 : 109

publication ID	https://doi.org/ 10.5252/g2011n1a6
DOI	https://doi.org/10.5281/zenodo.4610122
persistent identifier	https://treatment.plazi.org/id/039A87FC-FFD7-617B-FE94-FAD9FC99F948
treatment provided by	Felipe
scientific name	Patellasporites
status

Treatment

Patellasporites sp.

Patellasporites sp. A, Legrand, Palynologie des dépôts Jurassique supérieur et Crétacé inférieur du Japon, et provinces paléofloristiques du sud-est asiatique: 172, pl. XV, fig. 2 (2009).

OCCURRENCE. — Ashikajima Fm.

DESCRIPTION

Trilete microspore. Amb circular. The laesurae are straight, slightly raised, thicken, and extend

to the inner side of the patella. Proximal face psilate. Verrucae merge at the equator, forming a patella, but are separated by thin radial canals. The distal face is covered by verrucae of various sizes, bigger near the equator than at the pole, which merge and let only very small irregular spaces between them. Equatorial diameter = 30 µm.

BOTANICAL AFFINITIES

Filicopsida.