†family Toxorthidae Rong 1984 (lamp shell)
Rhynchonellata - Orthida - Toxorthidae
Parent taxon: Orthacea according to J. T. Temple 1987
Sister taxa: Anomalorthidae, Archaeorthidae, Bajanorthis, Bohemiellidae, Cathaysiorthidae, Glyptorthidae, Hesperonomiidae, Hesperorthidae, Lycophoriidae, Malinella, Nugnecella, Orthidae, Orthidiellidae, Ottadalenites, Plaesiomyidae, Poramborthidae, Productorthidae, Skenidioidae, Tarfayidae, Turarella, Whittardiidae, Zhejiangorthis, Dinorthidae, Dolerorthidae
Subtaxa: Jupiterella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Canada (5: Quebec collections)
Total: 5 collections each including a single occurrence