Definition of Cyrtorizoceras. Meaning of Cyrtorizoceras. Synonyms of Cyrtorizoceras

- Curtoceras meyeri Sp. nov Valid Aubrechtová & Korn Ordovician  Germany Cyrtorizoceras hariense Sp. nov Valid Kröger Ordovician (Katian) Kõrgessaare Formation...
- †Cyrtodonta huronensis †Cyrtorizoceras †Cyrtorizoceras dard**** †Cyrtorizoceras fosteri †Cyrtorizoceras lucillum †Cyrtorizoceras unguicurvatum †Cyrtospira...
- †Cyrtocerina †Cyrtocheilus †Cyrtogomphoceras †Cyrtogomphus †Cyrtonybyoceras †Cyrtorizoceras †Cyrtospyroceras †Cyrtothoracoceras †Dakeoceras †Dalecarlioceras †Danaoceras...
- locality for species – informal †Cyrtonella †Cyrtonella mitella †Cyrtorizoceras †Cyrtorizoceras rusti – type locality for species †Cyrtospira †Cyrtospira raymondi...
-  Russia A cylindroteuthidid belemnite, a species of Cylindroteuthis. Cyrtorizoceras thorslundi Sp. nov Valid Kröger Late Ordovician (late Katian) Boda Limestone...
- type locality for species †Cyrtina †Cyrtina dalmani †Cyrtograptus †Cyrtorizoceras †Cystiphyllum †Cystodictya †Cystodictya elegans – type locality for...