Rostroconchia - Ribeirioida - Ribeiriidae
Full reference: T. Kobayashi. 1933. Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology 3(7):249-328
Parent taxon: Ribeirioidea according to P. J. Wagner 1997
See also Cope 1996 and Kobayashi 1933
Sister taxa: Jinonicella, Rhytiodentalium
Subtaxa: Apoptopegma Cymatopegma Oepikila Pinnocaris Ptychopegma Ribeiria Ribeirina Wanwania
Type: Ribeiria
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Silurian of China (2 collections)
• Dobrotivian of France (1), Morocco (1), Portugal (3), Spain (7)
• Arenig of Argentina (3), France (2), Morocco (1)
• Ordovician of Argentina (4), Australia (13), Bolivia (2), Canada (7: Alberta, Ontario, Quebec), Czechia (22), France (4), Morocco (1), North Korea (1), Portugal (1), South Korea (1), Spain (4), Türkiye (1), the United Kingdom (4), United States (7: Iowa, New York, Pennsylvania, Texas, Utah, Vermont)
• Canadian of United States (1: Maryland)
• Skullrockian of Canada (1: Alberta)
• Taoyuanian of China (1)
• Cambrian of Antarctica (2), Argentina (1), Australia (34), United States (1: New York)
Total: 133 collections including 150 occurrences