Vol. s3-40, Issue 237, 1890September 01, 1890 EDT
On Leptaenisca, a New Genus of Brachiopod From the Lower Helderberg Group
On Leptaenisca, a New Genus of Brachiopod From the Lower Helderberg Group
Charles Emerson Beecher,
Beecher, C. E. (1890). On Leptaenisca, a new genus of brachiopod from the lower Helderberg group. American Journal of Science, s3-40(237), 238–240. https://doi.org/10.2475/ajs.s3-40.237.238