- †Cyptendoceras †Cyptendoceras
ruedemanni †Cyrtactinoceras †Cyrtactinoceras
boycii †Cyrtobaltoceras †Cyrtobaltoceras
gracile †Dactylagonia †Dactylagonia incrasata...
- †Cypricordella †Cypricordella
tenuistriata †Cyrtactinoceras †Cyrtactinoceras
boycii †Cyrtactinoceras
champlainense †Cyrtia †Cyrtia
exporrecta †Cyrtia meta †Cyrtia...
