A restudy of the Burgess Shale arthropod Emeraldella brocki suggests novel interpretations
of its morphology. We show that the morphology is more plesiomorphic than previously …

Kiisortoqia soperi gen. et sp. nov. is an arthropod species from the Early Cambrian Sirius
Passet Lagerstätte of North Greenland. A head, incorporating four appendiferous segments …

Constraining the origin of animal groups is allowed, to some extent, by discoveries of
Cambrian Lagerstätten that preserve both mineralizing and nonmineralizing organisms. A …

The early Cambrian Guanshan biota of eastern Yunnan, China, contains exceptionally
preserved animals and algae. Most diverse and abundant are the arthropods, of which there …

Soft-bodied Cambrian arthropods from Burgess Shale-type deposits are some of the most
famous and extensively studied fossil invertebrates, but global species-level assessments of …

Cambrian strata of the Laurentian craton contain numerous examples of Burgess Shale–
type faunas. Although displaying a more or less concentric distribution around the cratonal …

Cruziana, Gordia, Planolites, Rusophycus, and Trichophycus are common ichnological
elements of the Kaili Biota. New discoveries based on the examination of 323 specimens …

Gordia marina is the most common ichnospecies in the Kaili Biota, Guizhou, China. Among
1070 non-biomineralizing body fossils examined, more than 220 specimens in museum …

The chemical composition of well-preserved naraoiids from the Chengjiang, Kaili, and
Burgess Shale biotas is compared. Gut diverticulae in samples from all three biotas contain …

The early Cambrian Chengjiang biota in Yunnan, southern China has yielded many
articulated exoskeletons of the spiny redlichiid trilobite Eoredlichia intermedia, of which …