Tergomya - Cyrtonellida - Cyrtolitidae

Full reference: R. J. Horný. 1962. New genera of Bohemian lower Paleozoic Bellerophontina. Vestník Ústredniho Ústavu Geologického 37(5):473-476

Parent taxon: Cyrtolitidae according to B. Runnegar and P.A. Jell 1976

Sister taxa: Carcassonnellinae, Cyrtodiscus, Cyrtolites, Cyrtonellopsis, Kolihadiscus, Neocyrtolites, Paracyrtolites, Quasisinuites, Sinuella, Sinuitopsina, Sinuitopsis, Telamocornu, Yochelsonellis

Subtaxa: Cyclocyrtonella advena, Cyclocyrtonella eremita

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Type: Cyrtolites eremita

Ecology: slow-moving low-level epifaunal grazer