Retitriletes sp., 1961

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.4608586

persistent identifier

https://treatment.plazi.org/id/039A87FC-FFD0-617C-FCEA-FCE4FB02FA2A

treatment provided by

Felipe

scientific name

Retitriletes sp.
status

 

Retitriletes sp.

( Fig. 8 View FIG A-C)

OCCURRENCE. — Kimigahama Fm.

DESCRIPTION

Trilete microspore. Amb rounded triangular. The laesurae are straight, slightly raised, and extend to the ⅔ of the spore radius. The contact area is psilate, followed by a reticulum with polygonal lumina of various shapes and sizes (3-8 µm in diameter; muri about 2 µm high) near the equator and on the distal face. The exine is about 2.5 µm thick. Equatorial diameter = 40-45 µm.

BOTANICAL AFFINITIES

Döring et al.in Krutzsch(1963) suggested an affinity of Retitriletes with spores produced by the Lycopsida ( Lycopodiaceae ), for example Lycopodium Linnaeus.

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