Cyrtolitidae is an extinct family of monoplacophorans in the order Cyrtonellida.

Genera Cloudia Cyclocyrtonella Cyrtolites Cyrtonellopsis Kolihadiscus Neocyrtolites Paracyrtolites Quasisinuites Sinuella Sinuitopsina Sinuitopsis Telamocornu Yochelsonellis

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