Bivalvia - Solenida - Orthonotidae
Parent taxon: Orthonotoidea according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Nevesskaja 2009, Newell 1965 and Vokes 1980
Sister taxa: Konduriidae, Prothyridae, Solenomorphidae
Subtaxa: Breviorthonota Orthonota Sphenosolen Teranota
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Devonian of Antarctica (1 collection), Brazil (1), China (4), Colombia (1), Germany (1), Luxembourg (2), New Zealand (1), Turkey (1), United States (33: Alaska, Colorado, Michigan, New York, Ohio, Pennsylvania)
• Silurian of China (4), Lithuania (4), Norway (1), Sweden (1), the United Kingdom (6)
• Ordovician of Australia (1), the Czech Republic (2), the Russian Federation (1)
Total: 65 collections including 73 occurrences