div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · Henningsmoen 1954 pp 18—27 and Kesling and Wagner 1956 pp 39—43 Hennings- moen erected six sub-genera of Beyrichia on the bases of differing velate and surface ornamentations src=https:reader033fdocumentsnlreader033viewer20220420095e714fac87f6df0ac03b0719html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · Henningsmoen 1954 pp 18—27 and Kesling and Wagner 1956 pp 39—43 Hennings- moen erected six sub-genera of Beyrichia on the bases of differing velate and surface ornamentations src=https:reader033fdocumentsnlreader033viewer20220420095e714fac87f6df0ac03b0719html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: · Henningsmoen 1954 pp 18—27 and Kesling and Wagner 1956 pp 39—43 Hennings- moen erected six sub-genera of Beyrichia on the bases of differing velate and surface ornamentations src=https:reader033fdocumentsnlreader033viewer20220420095e714fac87f6df0ac03b0719html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: · Henningsmoen 1954 pp 18—27 and Kesling and Wagner 1956 pp 39—43 Hennings- moen erected six sub-genera of Beyrichia on the bases of differing velate and surface ornamentations src=https:reader033fdocumentsnlreader033viewer20220420095e714fac87f6df0ac03b0719html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: · Henningsmoen 1954 pp 18—27 and Kesling and Wagner 1956 pp 39—43 Hennings- moen erected six sub-genera of Beyrichia on the bases of differing velate...