Mark Webster

Research: Ontogeny, phylogeny, and evolutionary processes in Cambrian trilobites

Morphological homeostasis in the fossil record.
Morphological homeostasis in the fossil record. Semin Cell Dev Biol. 2019 04; 88:91-104.
PMID: 29787861

Systematic revision of the trilobite genera Laudonia and Lochmanolenellus (Olenelloidea) from the lower Dyeran (Cambrian Series 2) of western Laurentia.
Systematic revision of the trilobite genera Laudonia and Lochmanolenellus (Olenelloidea) from the lower Dyeran (Cambrian Series 2) of western Laurentia. Zootaxa. 2014 Jun 26; 3824:1-66.
PMID: 24989880

Modularity of a Cambrian ptychoparioid trilobite cranidium.
Modularity of a Cambrian ptychoparioid trilobite cranidium. Evol Dev. 2011 Jan-Feb; 13(1):96-109.
PMID: 21210946

A Cambrian peak in morphological variation within trilobite species.
A Cambrian peak in morphological variation within trilobite species. Science. 2007 Jul 27; 317(5837):499-502.
PMID: 17656721

Exploring developmental modes in a fossil arthropod: growth and trunk segmentation of the trilobite Aulacopleura konincki.
Exploring developmental modes in a fossil arthropod: growth and trunk segmentation of the trilobite Aulacopleura konincki. Am Nat. 2004 Feb; 163(2):167-83.
PMID: 14970920