By Lea, Isaac, 1792-1886 . Genre Unionidae .

By Lea, Isaac, 1792-1886 . Genre Unionidae .

By Tryon, George Washington, 1838-1888 / Lea, Isaac, 1792-1886 . Genre n-us--- / Lea, Isaac1792-1886 / Contributions in marine biology / Bibliography / Mollusks and 1 more .

By Pallas, Peter Simon, 1741-1811 / Lea, Isaac, 1792-1886 / Gurney, J. H. (John Henry), 1848-1922 / Dwight, Jonathan, 1858-1929 / Tucker, Marcia Brady and 1 more . Genre Zoology / Early works to 1800 / Natural history / Early works to 1800 / GermanyBerlin . Names vix / animal / ca / la / cornua and 3627 more

By Lea, Isaac, 1792-1886 . Genre Unionidae . Names lea / unio / naiades / synopsis / wood and 531 more

By Pallas, Peter Simon, 1741-1811 / Lea, Isaac, 1792-1886 / Gurney, J. H. (John Henry), 1848-1922 / Dwight, Jonathan, 1858-1929 / Tucker, Marcia Brady and 1 more . Genre Zoology / Early works to 1800 / Natural history / Early works to 1800 / GermanyBerlin . Names vix / ca / ita / la / forma and 6849 more

By Lea, Isaac, 1792-1886 . Genre Unionidae . Names lea / unio / anodonta / wood / la and 6521 more

By Cuvier, Georges, Baron, 1769-1832 / Lea, Isaac, 1792-1886 / Audouin, Jean Victor, 1797-1841 . Genre Audouin, Jean Victor1797-1841 / Insects / Anatomy . Names la / par / thorax / lois / conna and 50 more

By Lea, Isaac, 1792-1886 . Genre Unionidae . Names lea / unio / anodonta / wood / la and 6489 more

By Lea, Isaac, 1792-1886 . Genre n-us--- / Paleontology / Tertiary / Paleontology / United States . Names apex / paris / umbilicus / none / basal and 1395 more