orthoceratite

== English == === Etymology === From ortho- +‎ Ancient Greek κέρας (kéras) +‎ -ite. === Noun === orthoceratite (plural orthoceratites) An orthoceras, or fossil shell thereof. === References === “orthoceratite”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.