Bejjaji Z., Chakiri S., Boutakiout M., Reolid M., Tahiri A., Allouza M. (2008) Biostratigraphy of the Toarcian foraminifera of the Middle Atlas (Morocco). Correlation with neighbouring regions // Geogaceta. T.44. P.99-102. pdf: http://www.sociedadgeologica.es/archivos/geogacetas/Geo44/Art25.pdf
Foram ranges and correlational chart of the foraminiferal and ammonite zonation are given
