Rhynchonellata - Orthida - Wangyuiidae
Parent taxon: Plectorthoidea according to L. Hints 2012
See also Rubel 2011 and Williams et al. 2000
Sister taxa: Apatoskenidioides, Chilcorthidae, Cremnorthidae, Cyclocoeliidae, Eoorthidae, Euorthisinidae, Finkelnburgiidae, Giraldiellidae, Lebediorthis, Nanorthidae, Phragmorthidae, Platystrophiidae, Plectorthidae, Ranorthidae, Rhactorthidae, Tasmanorthidae
Subtaxa: Alpeisinae Bowanorthis Sigmelasma Toxorthis Wangyuia Wangyuiinae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jaani of Estonia (1 collection)
• Silurian of Canada (6: Northwest Territories, Nunavut, Quebec), Estonia (5), the United Kingdom (7)
• Ordovician of Australia (8), China (2), Estonia (6), Kazakhstan (2), Myanmar (1), Turkey (1), the United Kingdom (1), United States (36: California)
• Cambrian of China (10)
Total: 86 collections each including a single occurrence