Kochoceras is an extinct nautiloid genus from the later Ordovician belonging to the family Actinoceratidae and found in North America. Kochoceras is relatively...

genera are included in the Actinoceratidae, Actinoceras, Floweroceras, Kochoceras, Leurorthoceras, Paractinoceras, Saffordoceras, and Troostoceras. Actinoceras...

Lambeoceras is derived from the same stock in Actinoceras that produced Kochoceras according to Flower (1968), although consideration had been given to Armenoceras...

stages of the chambered phragmocone like those in Ormoceras. As with Kochoceras and Floweroceras, Paractinoceras is considered a separate genus within...

Selkirkoceras is a genus of armonoceratid cephalopods similar to Kochoceras of the Actinoceratidae, but with recumbent septal necks. The first siphuncular...

†Kindleoceras †Kionoceras †Kitatites †Kladisoceras †Knightoceras †Kobyashiceras †Kochoceras †Konglungenoceras †Kophinoceras †Kosovoceras †Kotelnyoceras †Krykyloceras...

Ordoceras Actinoceratidae, Seamann 1853, ?late E, M Ord - E Sil. Actinoceras, Kochoceras, Paractinoceras, Saffordoceras, Troostoceras Lambeoceratidae; Lambeoceras...

(Teichert 1964) Actinoceras is thought to have given rise to such genera as Kochoceras and Paractinoceras in the Actinoceratidae and to Lambeoceras of the Lambeoceratidae...

†Kendallina †Kendallina eryon †Kingstonia †Kingstonia walcotti †Kionoceras †Kochoceras †Komiella †Komiella ostiolata †Kormagnostus †Kormagnostus seclusus †Kyphocephalus...

†Idiognathoides †Ithyektyphus †Janassa †Kendallina †Kingstonia †Kionoceras †Kochoceras †Lambeoceras † Leclercqia †Lingula †Lingulella †Liroceras †Lonchocephalus...