as a usual, 1st issue of journals published by Elsevier for current year are freely available.
current issue of Geobios with numerous papers about nannoplancton: http://www.sciencedirect.com/science....k=43#43 among the others few articles about Jurassic nannofossils are present:
Tiraboschi D., Erba E. Calcareous nannofossil biostratigraphy (Upper Bajocian–Lower Bathonian) of the Ravin du Bès section (Bas Auran, Subalpine Basin, SE France): Evolutionary trends of Watznaueria barnesiae and new findings of “Rucinolithus” morphotypes, pp.58-76, pdf: http://www.sciencedirect.com/science....cle.pdf
Perilli N. et al., Reproducibility and reliability of the Pliensbachian calcareous nannofossil biohorizons from the Basque-Cantabrian Basin (Northern Spain), p.77-85, pdf: http://www.sciencedirect.com/science....cle.pdf
Reggiani L. et al., Spatial distribution of Late Pliensbachian (Early Jurassic) calcareous nannofossils within the Lusitanian basin (Portugal), p.87-97. pdf: http://www.sciencedirect.com/science....cle.pdf