Autor:	Furnish, W. M., Natland, M. L., Allison, Edwin C., Brooks, James E., Forgotson,, James M., Wengerd, Sherman, Wiese, John H., Bandy, Orville L., Casey, Dick, Haga, Hideyo, Holden, John C., Ingle,, James C., Leslie, Robert J., Lidz, Louis, Loeblich,, Alfred R., Tappan, Helen, Lumsden, William W., Susuki, Takeo, Rodolfo, Kelvin S., Stevens, Calvin H.
Zdroj:	Journal of Paleontology, 1963 Jul 01. 37(4), 945-980.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1301293 Zobrazit plný text záznamu