Detail Information
Publications
A Cambrian peak in morphological variation within trilobite speciesMark Webster
Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, USA
Science 317:499-502. 2007..Through its influence on evolutionary tempo, high intraspecific variation may have played a major role in the pronounced Cambrian diversification of trilobites...
Modularity of a Cambrian ptychoparioid trilobite cranidiumMark Webster
Department of the Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, USA
Evol Dev 13:96-109. 2011..The large contribution of parallel variation to phenotypic integration suggests that modularity was unlikely to have imposed a long-term constraint on evolutionary innovation in these early trilobites...
Exploring developmental modes in a fossil arthropod: growth and trunk segmentation of the trilobite Aulacopleura koninckiGiuseppe Fusco
Department of Biology, University of Padova, Via Ugo Bassi 58 B, I 35131 Padova, Italy
Am Nat 163:167-83. 2004..This study demonstrates that hypotheses concerning developmental pattern and control can be tested in organisms belonging to an extinct clade...
