Supplementary file list and description CloMod.R R-script to perform modularity analysis for Cloacaspis senilis Clo24LM84SLM34nOSymm.tps Landmark and semilandmark dataset (symmetrisized) for Cloacaspis senilis CloModList.csv List assigning (semi)landmarks to modularity hypotheses for Cloacaspis senilis Clocurves.txt List to slide semilandmark curves during Procrustes superimposition of full landmark configuration for Cloacaspis senilis Clocurveshalf.txt List to slide semilandmarks curves during Procrustes superimposition of half landmark configuration for Cloacaspis senilis CalMod.R R-script to perform modularity analysis for Calyptaulax annulata Cal28LM110SLM37nOSymm.tps Landmark and semilandmark dataset (symmetrisized) for Calyptaulax annulata CalModList.csv List assigning (semi)landmarks to modularity hypotheses for Calyptaulax annulata Calcurves.txt List to slide semilandmark curves during Procrustes superimposition of full landmark configuration for Calyptaulax annulata Calcurveshalf.txt List to slide semilandmarks curves during Procrustes superimposition of half landmark configuration for Calyptaulax annulata CalModMeasurementError.R R-script to perform measurement error analysis for Calyptaulax annulata CalMeasurementError28LM110SLM35nOSymm.tps Landmark and semilandmark measurement error dataset for Calyptaulax annulata CalModListME.csv List assigning (semi)landmarks to additional modularity hypotheses for measurement error analysis of Calyptaulax annulata