Rhynchonellata - Orthida - Cathaysiorthidae
Full reference: J. Rong, B. Huang, R. B. Zhan and D. A. Harper. 2013. Latest Ordovician and earliest Silurian brachiopods succeeding the Hirnantia fauna in south-east China. Special Papers in Palaeontology 90:1-142
Parent taxon: Orthoidea according to J. Rong et al. 2013
Sister taxa: Anomalorthidae, Archaeorthidae, Bajanorthis, Bohemiellidae, Glyptorthidae, Hesperonomiidae, Hesperorthidae, Lycophoriidae, Malinella, Nugnecella, Orthidae, Orthidiellidae, Ottadalenites, Plaesiomyidae, Poramborthidae, Productorthidae, Skenidioidae, Tarfayidae, Turarella, Whittardiidae, Zhejiangorthis, Toxorthidae, Dolerorthidae, Dinorthidae
Subtaxa: Asturorthis Cathaysiorthis Wulongella
Ecology: stationary epifaunal suspension feeder
Distribution: