Tergomya - Cyrtonellida - Cyrtolitidae
Full reference: S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists 1-664
Parent taxon: Cyrtonellida according to J.O.R. Ebbestad and E. L. Yochelson 2000
See also Frýda 1999, Horný 1992, Knight et al. 1960, Runnegar and Jell 1976, Starobogatov 1970 and Wahlman 1992
Sister taxa: Aremellia, Carcassonnellidae, Cyrtonelloidea, Hamusella, Pollicinidae, Tetamocornu, Yangtzeconus
Subtaxa: Carcassonnellinae Cloudia Cyclocyrtonella Cyrtolites Cyrtonellopsis Kolihadiscus Neocyrtolites Paracyrtolites Quasisinuites Sinuella Sinuitopsina Sinuitopsis Telamocornu Yochelsonellis
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Devonian of Czechia (7 collections), United States (9: Maine, New York)
• Silurian of Australia (1), Czechia (7), the United Kingdom (1), United States (2: Indiana)
• Dobrotivian of Czechia (1), Morocco (1)
• Liben of Czechia (1)
• Letna of Czechia (1)
• Whiterockian of United States (1: Minnesota)
• Ordovician of Australia (1), Canada (19: Ontario, Quebec, Québec), Czechia (20), Estonia (4), Morocco (4), the United Kingdom (18), United States (107: Illinois, Iowa, Indiana, Iowa, Kentucky, Michigan, Minnesota, Missouri, New York, Ohio, Tennessee)
• Cambrian of Canada (1: Alberta), the United Kingdom (2), United States (9: Alabama, Montana, Texas, Utah)
Total: 217 collections including 250 occurrences