The huge strombus of San Vicente and Porto Santo, S. Italicus, is an extinct shell of the Sub-apennine or Older Pliocene formations.
"The Student's Elements of Geology"
Sir Charles Lyell
The rapid movements of a small strombus, which, when taken, beat about it with its shell, formed like a thin plate of horn, and armed with sharp teeth, were very curious.
"A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2"
Otto von Kotzebue
1. strombus 60 W. Indies, Mediterranean, Red Sea, Indian Ocean, Pacific-low water to 10 fathoms.
"Sea-Weeds, Shells and Fossils"
Peter Gray B. B. Woodward