Vol. s4-4, Issue 22, 1897October 01, 1897 EDT
The Systematic Position of Crangopsis Vermiformis (Meek) From the sub-Carboniferous Rocks of Kentucky
The Systematic Position of Crangopsis Vermiformis (Meek) From the sub-Carboniferous Rocks of Kentucky
Arnold E. Ortmann,
Ortmann, A. E. (1897). The Systematic Position of Crangopsis Vermiformis (Meek) From the sub-Carboniferous Rocks of Kentucky. American Journal of Science, s4-4(22), 283–289. https://doi.org/10.2475/ajs.s4-4.22.283