†tribe Semicostellini Nalivkin 1979 (lamp shell)
Strophomenata - Productida - Productellidae
Parent taxon: Plicatiferinae according to A. Williams et al. 2000
Sister taxa: Levipustulini, Levitusini, Plicatiferini, Rugaurini
Subtaxa: Cinctifera Limbifera Maemia Overtoniina Pharcidodiscus Rhytiophora Semicostella
Type: Semicostella
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Tajikistan (4 collections)
• Carboniferous of Canada (2: Nunavut), Malaysia (1), the United Kingdom (2), United States (30: Alaska, Arkansas, California, Kentucky, Montana, Tennessee, Texas)
• Devonian of United States (8: Montana)
Total: 47 collections including 50 occurrences