Genus ORTHOCERAS
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Cephalopoda / Endoceratoidea / n.a. n.a. / n.a. / Orthocerida n.a. / n.a. n.a. / Orthoceratidae n.a. / Orthoceras
Age: Distribution:	Silurian Global
Depicted on: Central African Republic, 2023 (position 1 of sheet) Djibouti, 2022 (M.S. margin) Guinea-Bissau, 2021 (sheet margin) Guinea-Bissau, 2023 (position 2 of sheet) Guinea-Bissau, 2023 (M.S. 5 margin) Mozambique, 2012 (extinct marine animals M.S. margin)