This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
Corresponding author (Name, Year)
Ref.: C. E. Resser. 1938. Middle Cambrian fossils from Pend Oreille Lake, Idaho. Smithsonian Miscellaneous Collections 97(3):1-12
F. A. Sundberg, 1997 - Oryctocephalids (Corynexochida: Trilobita) of the Lower-Middle Cambrian boundary interval from California and Nevada - Journal of Paleontology (77), 1065-1090 (journal article, English)
C. E. Resser, 1938 - Middle Cambrian fossils from Pend Oreille Lake, Idaho - Smithsonian Miscellaneous Collections (97), 1-12 (serial monograph, English)