1. Cambrian strata of Wisconsin
2. Notes on open nomenclature and on synonymy lists;Matthews;Palaeontology,1973
3. Adams, D.C. , Collyer, M.L. , Kaliontzopoulou, A. , and Baken, E.K. , 2021, Geomorph: Software for geometric morphometric analyses. R package version 4.0. https://cran.r-project.org/package=geomorph (accessed Jul 2022).
4. Distribution, taphonomy and functional morphology of the upper Cambrian trilobite Dikelocephalus;Hughes;Milwaukee Public Museum Contributions in Biology and Geology,1993
5. Taking advantage of time-averaging