div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: National Museum of Nature and Scienceinto nautiloid biology Previous studies hy- pothesized that ambient pressure resulted in waterlogging of the phragmocone through the siphuncle src=https:reader034vdocumentssitereader034viewer20220501115f4857da74b4143c7e575995html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: National Museum of Nature and Scienceinto nautiloid biology Previous studies hy- pothesized that ambient pressure resulted in waterlogging of the phragmocone through the siphuncle src=https:reader034vdocumentssitereader034viewer20220501115f4857da74b4143c7e575995html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: National Museum of Nature and Scienceinto nautiloid biology Previous studies hy- pothesized that ambient pressure resulted in waterlogging of the phragmocone through the siphuncle src=https:reader034vdocumentssitereader034viewer20220501115f4857da74b4143c7e575995html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: National Museum of Nature and Scienceinto nautiloid biology Previous studies hy- pothesized that ambient pressure resulted in waterlogging of the phragmocone through the siphuncle src=https:reader034vdocumentssitereader034viewer20220501115f4857da74b4143c7e575995html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv