Barremian palynofloras from the Ashikajima and Kimigahama formations (Choshi Group, Outer Zone of south-west Japan) Author Legrand, Julien Author Pons, Denise Author Nishida, Harufumi Author Yamada, Toshihiro text Geodiversitas 2011 2011-03-31 33 1 87 135 http://dx.doi.org/10.5252/g2011n1a6 journal article 10.5252/g2011n1a6 31ed99a5-9135-40a2-92a4-64217d9de577 1638-9395 4597011 Incertae sedis in Hasenboehler (1981) ( Fig. 5E ) OCCURRENCE. — Ashikajima Fm. DISTRIBUTION. — Albian-Cenomanian of Portugal (Hasenboelher 1981). DESCRIPTION Psilate trilete microspore.Amb triangular. The laesurae are straight, bordered by lips about 3 µm wide, and extend to the equator of the spore. Equatorial diameter = 45-50 µm . BOTANICAL AFFINITIES Filicopsida.