†family Tyronellidae Mitchell 1977 (lamp shell)
Rhynchonellata - Orthida - Tyronellidae
Parent taxon: Dalmanelloidea according to A. Williams et al. 2000
See also Mitchell 1977
Sister taxa: Angusticardiniidae, Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Paurorthidae, Platyorthidae, Portranellidae, Proschizophoriidae, Rhipidomellidae
Subtaxa: Didymoparcium Tyronella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Canada (1: Yukon Territory collection)
• Dobrotivian of Portugal (2)
• Ordovician of Canada (3: Quebec), Estonia (1), the United Kingdom (2)
Total: 9 collections each including a single occurrence