Microreticulatisporites sp. 2

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 : 104

publication ID

https://doi.org/ 10.5252/g2011n1a6

DOI

https://doi.org/10.5281/zenodo.4608474

persistent identifier

https://treatment.plazi.org/id/039A87FC-FFD0-617C-FF6F-F9BFFC79FDA3

treatment provided by

Felipe

scientific name

Microreticulatisporites sp. 2
status

 

Microreticulatisporites sp. 2 ( Fig. 8N, O View FIG )

OCCURRENCE. — Ashikajima Fm.

DESCRIPTION

Trilete microspore. Amb rounded triangular. The laesurae are straight, bordered by lips 1 to 1.5 µm wide, and extend to the ⅔ of the spore radius. Exine reticulated and slightly rounded. The mesh is polygonal, of various shapes and sizes (lumina 0.5 to 3 µm in diameter). The exine is 2 µm thick. Equatorial diameter = 40-50 µm.

BOTANICAL AFFINITIES

Polypodiales (Dennstaedtiaceae) or Noeggerathiales ( Knox 1950; Singh 1964).

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