div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · fossils to a specific level or having assigned them to one of Langs original species C pertonii or C hemisphaerica Indeed apart from Langs work little is known about land src=https:reader033fdocumentsusreader033viewer20220503125f74f6ea21b3d96ce359efdbhtml5thumbnails1jpg 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: · fossils to a specific level or having assigned them to one of Langs original species C pertonii or C hemisphaerica Indeed apart from Langs work little is known about land src=https:reader033fdocumentsusreader033viewer20220503125f74f6ea21b3d96ce359efdbhtml5thumbnails2jpg 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: · fossils to a specific level or having assigned them to one of Langs original species C pertonii or C hemisphaerica Indeed apart from Langs work little is known about land src=https:reader033fdocumentsusreader033viewer20220503125f74f6ea21b3d96ce359efdbhtml5thumbnails3jpg 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: · fossils to a specific level or having assigned them to one of Langs original species C pertonii or C hemisphaerica Indeed apart from Langs work little is known about land src=https:reader033fdocumentsusreader033viewer20220503125f74f6ea21b3d96ce359efdbhtml5thumbnails4jpg 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: · fossils to a specific level or having assigned them to one of Langs original species C pertonii or C hemisphaerica Indeed apart from Langs work little is known about land...