بواسطة Leidy, Joseph, 1823-1891 / Cope, E. D. (Edward Drinker), 1840-1897 / Lesquereux, Leo, 1806-1889 / Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 / Thomas, C. و 5 اكثر . النوع n-usp-- / Paleontology / Western states / Paleobotany / Western states و 2 اكثر . الأسماء: american / apex / type / axis / area و 4805 اكثر

بواسطة Leidy, Joseph, 1823-1891 / Cope, E. D. (Edward Drinker), 1840-1897 / Lesquereux, Leo, 1806-1889 / Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 / Thomas, C. و 5 اكثر . النوع n-usp-- / Paleontology / Western states / Paleobotany / Western states و 2 اكثر . الأسماء: leaves / sp / plants / spigelia nov. / apex و 8467 اكثر

بواسطة Leidy, Joseph, 1823-1891 / Cope, E. D. (Edward Drinker), 1840-1897 / Lesquereux, Leo, 1806-1889 / Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 / Thomas, C. و 5 اكثر . النوع n-usp-- / Paleontology / Western states / Paleobotany / Western states و 2 اكثر . الأسماء: animal / proteus / difflugia / america / amoeba و 6561 اكثر

بواسطة Leidy, Joseph, 1823-1891 . النوع Vertebrates, Fossil / Paleontology / Cretaceous / Paleontology / Tertiary و 2 اكثر . الأسماء: animal / fossils / xx / intermediate / animals و 2731 اكثر

بواسطة Leidy, Joseph, 1823-1891 / Cope, E. D. (Edward Drinker), 1840-1897 / Lesquereux, Leo, 1806-1889 / Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 / Thomas, C. و 5 اكثر . النوع n-usp-- / Paleontology / Western states / Paleobotany / Western states و 2 اكثر . الأسماء: crest / fossa / diastema / american / apex و 9423 اكثر

بواسطة Leidy, Joseph, 1823-1891 / Cope, E. D. (Edward Drinker), 1840-1897 / Lesquereux, Leo, 1806-1889 / Hayden, F. V. (Ferdinand Vandeveer), 1829-1887 / Thomas, C. و 5 اكثر . النوع n-usp-- / Paleontology / Western states / Paleobotany / Western states و 2 اكثر . الأسماء: type / fossils / stoliczka / fox / umbilicus و 13618 اكثر