Sundberg, F. A., McCollum, L. B., et al. 2002. Kochiella Poulsen, 1927, and Hadrocephalites new genus (Trilobita: Ptychopariida) from the Early Middle Cambrian of Western North America. 76 (1): 92, figs.1-11.
Place:
Nevada, United States, North America
Geologic Age:
Paleozoic - Cambrian - Middle
Record Last Modified:
17 Oct 2024
Site Number:
41735
Stratigraphy:
Pioche Sh
Taxonomy:
Animalia Arthropoda Trilobita Ptychopariida Ptychopariina