Vol. s5-16, Issue 94, 1928October 01, 1928 EDT
Kansas Permian Insects; Part II, Protoperlaria
Kansas Permian Insects; Part II, Protoperlaria
R. J. Tillyard,
Tillyard, R. J. (1928). Kansas Permian insects; Part II, Protoperlaria. American Journal of Science, s5-16(94), 313–348. https://doi.org/10.2475/ajs.s5-16.94.313