作者 | Angeline Myra Keen / Curt Teichert / George Winston Sinclair / Henry Augustus Pilsbry / Katherine Van Winkle Palmer / Kenneth Edward Caster / Lee B. Gibson / Paleontological Research Institution (Ithaca, N.Y.) / Paul Brönnimann / Robert Wynn Morris / Samuel Stillman Berry / William Storrs Cole / Axel Adolf Olsson / Brian Frederick Glenister / Eugene Stanley Richardson / Stephen Marion Herrick |