Description
Litulites lituus
Nautiloid
Ordovician
Orthoceras Limestone
Isle of Oeland, Sweden
81mm nautiloid on 114mm matrix.
Cephalopod.
Lituites is a genus of extinct nautiloid (cephalopod) known from the Ordovician to Silurian of Europe, China, and Argentina. It had a planospiral shell that straightened out and extended to a considerable length relative to the size of the coiled end.