Vol. 238, Issue 4, 1940April 01, 1940 EDT
On Some Trinucleidae Described by Joachim Barrande
On Some Trinucleidae Described by Joachim Barrande
Harry B. Whittington,
Whittington, H. B. (1940). On some Trinucleidae described by Joachim Barrande. American Journal of Science, 238(4), 241–259. https://doi.org/10.2475/ajs.238.4.241