Geyer, G., Nowicki, J., ?yli?ska, A., Landing, E., 2019. Comment on: Álvaro, J. J., Esteve, J. & Zamora, S. 2019. Morphological assessment of the earliest paradoxidid trilobites (Cambrian Series 3) from Morocco and Spain. Geological Magazine 156, 1691-1707. doi:10.1017/S0016756818000961

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

Geyer, G., Landing, E., 2016. The Precambrian?Phanerozoic and Ediacaran?Cambrian Boundaries: A Historical Approach to a Dilemma, in: Brasier, A.T., McIlroy, D., McLoughlin, N. (Eds.), Earth System Evolution And Early Life: A Celebration Of The Work Of Martin Brasier. Geological Society of London, London, England, pp. 311-349. doi:10.1144/SP448.10

Geyer, G., Landing, E., 2006. Latest Ediacaran and Cambrian of the Moroccan Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco 2006. Ediacaran-Cambrian Depositional Environments And Stratigraphy Of The Western Atlas Regions. Explanatory Description And Field Excursion Guide. pp. 7-46.

Geyer, G., Landing, E., 2006. Morocco 2006. Ediacaran-Cambrian depositional Environments and Stratigraphy of the Western Atlas Regions. Explanatory Description and Field Excursion Guide. Beringeria Special Issue.

Geyer, G., Landing, E., 2006. Morocco Field Excursion 2006. Ediacaran-Cambrian Depositional Environments and Stratigraphy of the Western Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco 2006. Ediacarancambrian Depositional Environments And Stratigraphy Of The Western Atlas Regions. Explanatory Description And Field Excursion Guide. pp. 47-112.

Geyer, G., Landing, E., 2004. A Unified Lower-Middle Cambrian Chronostratigraphy for West Gondwana. Acta Geologica Polonica 54, 233-273.

Geyer, G., Landing, E., 2001. Middle Cambrian of Avalonian Massachusetts: Stratigraphy and Correlation of the Braintree Trilobites.  Journal of Paleontology 75, 116-135. doi:10.1666/0022-3360(2001)075<0116:MCOAMS>2.0.CO;2

Geyer, G., Landing, E., 2000. The Cambrian in Israel and Jordan-The Feather Edge of the Mediterranean Region, in: Acenolaza, G.F., Peralta, S. (Eds.), Cambrian From The Southern Edge. Instituto Superior de Correlacion Geologica (INSUGEO), Universidad Nacional de Tucuman, pp. 98-101.

Geyer, G., Heldmaier, W., Landing, E., 1995. Arthropod Traces in the Middle Cambrian of Morocco, in: Geyer, G., Landing, E. (Eds.), Morocco '95-The Lower-Middle Cambrian Standard Of Western Gondwana. Beringeria, p. 254.

Geyer, G., Landing, E., 1995. The Cambrian of the Moroccan Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco '95-The Lower-Middle Cambrian Standard Of Western Gondwana. Beringia, pp. 7-46.

Geyer, G., Landing, E., Heldmaier, W., 1995. Faunas and Depositional Environments of the Cambrian of the Moroccan Atlas Regions, in: Geyer, G., Landing, E. (Eds.), Morocco '95-The Lower-Middle Cambrian Standard Of Western Gondwana. Beringeria, pp. 47-120.

Geyer, G., Landing, E., 1995. MOROCCO '95-The Lower-Middle Cambrian Standard of Gondwana, Special Issue. Beringria, ,.