Landing, E., Geyer, G., 2007. Reply: 'Distinguishing Eustatic and Epeirogenic Controls on Lower-Middle Cambrian Boundary Successions in West Gondwana (Morocco and Iberia),' by Ed Landing, Gerd Geyer, and Wolfram Heldmaier, Published in Sedimentology (2006). Sedimentology 53, 899-918.