“Ptychoparioid” trilobites of the Harkless Formation and Mule Spring Limestone (Cambrian Series 2, Stage 4), Clayton Ridge, Nevada

Corynexochine trilobites of the Harkless Formation and Mule Spring Limestone (Cambrian Series 2, Stage 4), Clayton Ridge, Nevada

(2021) Frederick A. Sundberg et al.   JOURNAL OF PALEONTOLOGY

Evidence for a local reef eclipse in a shallow marine carbonate environment following the regional extinction of archaeocyaths in Laurentia (Stage 4, Cambrian)

(2019) David R. Cordie et al.   FACIES

Middle Cambrian trilobites from the Ekspedition Bræ Formation of North Greenland, with a reappraisal of the genus Elrathina

(2016) Gerd Geyer et al.   JOURNAL OF PALEONTOLOGY

Phylogenetic Analysis of the Spiny Oryctocephalids (Trilobita, Corynexochida?, Oryctocephalidae), Cambrian

(2014) Frederick A. Sundberg   JOURNAL OF PALEONTOLOGY

The Henson Gletscher Formation, North Greenland, and its bearing on the global Cambrian Series 2–Series 3 boundary

(2011) G. Geyer et al.   BULLETIN OF GEOSCIENCES

The structure of cranidial shape variation in three early ptychoparioid trilobite species from the Dyeran-Delamaran (traditional “Lower-Middle” Cambrian) boundary interval of Nevada, U.S.A.

(2011) Mark Webster   JOURNAL OF PALEONTOLOGY