Ostlingoceras is an extinct genus of ammonites belonging to the Turrilitidae family.Sepkoski, Jack Sepkoski's Online Genus Database - Cephalopodes
Species Ostlingoceras brandi Young, 1958 Ostlingoceras conlini Clark, 1955 Ostlingoceras puzosianum (d'Orbigny, 1842) Ostlingoceras rorayensis (Collignon, 1964)
Fossil record Fossils of Ostlingoceras are found in marine strata of the Cretaceous (age range: from 99.7 to 94.3 million years ago.). Fossils are known from some localities in Angola, France, Italy, Madagascar, Mozambique, Switzerland, the United Kingdom and United States.The Paleobiology Database
References