Or, in the absence of these long-extinct forms, has a single spiral univalve, or species of Cretaceous Gasteropod, been found living?
"The Student's Elements of Geology"
Sir Charles Lyell
"It is not settled whether the back of a cuttle-fish answers to the dorsal or ventral surface of a Gasteropod.
"Thomas Henry Huxley; A Sketch Of His Life And Work"
P. Chalmers Mitchell
He is a mule, a dead Gasteropod, without vim or stamina, not worth a cracked kreutzer.
"Ulysses"
James Joyce