Tergomya - Tryblidiida - Proplinidae
Full reference: J. B. Knight and E. L. Yochelson. 1960. Monoplacophora. Treatise on invertebrate paleontology. Part I. Mollusca 1 I(1):77-84
Parent taxon: Tryblidioidea according to J. C. W. Cope and J. O. R. Ebbestad 2024
See also Starobogatov 1970, Stinchcomb and Angeli 2002 and Wahlman 1992
Sister taxa: Bipulvinidae, Drahomiridae, Neopilinidae, Tryblidiidae
Subtaxa: Irondalia Potosiplina Proplina Titanoplina Vallatotheca
Type: Propilina
Ecology: epifaunal grazer
Distribution:
• Devonian of Australia (1 collection)
• Whiterockian of United States (1: Nevada)
• Ordovician of Canada (2: Ontario), Greenland (1), South Korea (1), the United Kingdom (1), United States (19: Kentucky, Missouri, Nevada, Texas, Vermont)
• Cambrian of Antarctica (3), Australia (3), United States (14: Minnesota, Missouri, Montana, New York, Wisconsin)
Total: 46 collections including 55 occurrences