But before he could turn to remonstrate she was volubly bidding him not to go off into a brown study over some plesiosaurus, and forget all about his charge, or make a mistake and introduce her to the dinotherium, instead of Professor Macon; then, gayly waving her hand, she vanished behind the closing door.
"Sara, a Princess"
Fannie E. Newberry
One specimen of Ichthyosaurus platydon, from the Lias at Lyme, now in the British Museum, must have belonged to an animal more than 24 feet in length; and there are species of plesiosaurus which measure from 18 to 20 feet in length.
"The Student's Elements of Geology"
Sir Charles Lyell
There was also that gigantic swan, the plesiosaurus; in fact, all the early brutes were disgusting.
"Backlog Studies"
Charles Dudley Warner Last Updated: February 23, 2009