- †Ascocerida, †Dissidocerida, †Lituitida, †Orthocerida, †Pseudorthocerida
<nowiki>Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Ortoseratoidealar; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; Orthoceratoidea; مستقيماوات القرن; Orthoceratoidea; Orthoceratoidea; Unterklasse der Klasse Kopffüßer (Cephalopoda); onderklasse uit de klasse inktvissen; subclass of molluscs; طويئفة من الرخويات; подклас мекотели; subclas de moluscos</nowiki>
Subcategories
This category has the following 4 subcategories, out of 4 total.
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