Published March 31, 2011
| Version v1
Taxonomic treatment
Open
Plantae
Description
Tuberositriletes sp.
(Fig. 6H, L, M)
OCCURRENCE. — Ashikajima Fm (rare).
DESCRIPTION
Trilete microspore. Amb triangular with concave sides. The laesurae extend to the 3/4 of the spore radius. On the proximal face, the contact area is psilate, followed by one row of big welded verrucae (2-4 µm high, 2.5-5 µm in basal diameter) near the equator. The distal face is ornamented by welded and wavy rugulae, which are topped by verrucae. The rugulae are separated by small irregular spaces that can connect. Equatorial diameter = 28 µm.
BOTANICAL AFFINITIES
Filicopsida.
Notes
Published as part of 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), pp. 87-135 in Geodiversitas 33 (1) on page 98, DOI: 10.5252/g2011n1a6, http://zenodo.org/record/4597011
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