They were made when there were three-toed horses and many ganoid fishes on the earth."
"Long Ago, Far Away"
William Fitzgerald Jenkins AKA Murray Leinster
But it was not a sturgeon, though sturgeons are now the main representatives of what once were innumerable ganoid species.
"Long Ago, Far Away"
William Fitzgerald Jenkins AKA Murray Leinster
They were of the Labyrinthodont family, and their association with the fish of the coal, of which so large a proportion are ganoids, reminds us that the living perennibranchiate amphibia of America frequent the same rivers as the ganoid Lepidostei or bony pikes.
"The Student's Elements of Geology"
Sir Charles Lyell