Orthoceras knorii, Print, Orthoceras ("straight horn") is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones of the Baltic States and Sweden. This genus is sometimes called Orthoceratites

---

Orthoceras knorii, Print, Orthoceras ("straight horn") is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones of the Baltic States and Sweden. This genus is sometimes called Orthoceratites.

---

Size: 5306px × 3302px
Location:
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: baltic, cephalopod, extinct, genus, horn, knorii, limestones, marine, middle, nautiloid, ordovician-aged, orthoceras, orthoceratites, print, restricted, states, straight, sweden