Geyer, G., Landing, E., 2020. Cambrian deposition in northwestern Africa: Relationship of Tamlelt massif (Moroccan?Algerian border region) succession to the Moroccan Meseta. Journal of African Earth Sciences 165, 103772. doi:10.1016/j.jafrearsci.2020.103772

Geyer, G., Landing, E., Höhn, S., Linnemann, U., Meier, S., Servais, T., Wotte, T., Herbig, H.-G., 2019. Revised Cambrian stratigraphy in the Franconian Forest (Frankenwald), Germany, reveals typical West Gondwanan succession in the Saxothuringian belt. Newsletters on Stratigraphy 52, 377-433. doi:10.1127/nos/2019/0495

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Landing, E., 1995. Upper Placentian-Branchian Series of Mainland Nova Scotia (Middle-Upper Lower Cambrian): faunas, Paleoenvironments, and Stratigraphic Revision. Journal of Paleontology 69, 475-495.