SSystematic studies on the trilobite order PhacopidaSystematic studies on the trilobite order Phacopidade Gregory D. EdgecombeEdiciones (1)Systematic studies on the trilobite order Phacopida (1991)inglésMás obras de Gregory D. EdgecombeArthropod fossils and phylogenyIInvertebrate Tree of LifeInvertebrate Tree of LifeFFossils, Phylogeny, and FormFossils, Phylogeny, and Form
