A Problematic Fossil From the Catskill Formation
A Problematic Fossil From the Catskill Formation
Francis Maurice Van Tuyl, F. Berckhemer,
Van Tuyl, F. M., & Berckhemer, F. (1914). A Problematic Fossil From the Catskill Formation. American Journal of Science, 275–276. https://doi.org/10.2475/ajs.s4-38.225.275