Bivalvia - Pectinida - Monotidae
Parent taxon: Monotoidei according to J. G. Carter et al. 2011
See also Bouchet et al. 2010, Grant-Mackie 1978, Nevesskaja 2009, Newell 1965, Ros-Franch et al. 2014 and Vokes 1980
Sister taxa: Buchioidea, Eurydesmatoidea, Oxytomoidea
Subtaxa: Eomonotis Lupherella Monotinae Monotis Otapiria Otapiriinae Praeotapiria
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jurassic of Antarctica (1 collection), Argentina (7), Canada (1: British Columbia), Chile (6), China (4), New Zealand (15), the Russian Federation (7)
• Triassic of Argentina (4), Austria (11), Bolivia (1), Canada (43: British Columbia, British columbia), Chile (1), China (4), Colombia (4), East Timor (1), Germany (1), Hungary (1), Indonesia (10), Iran (2), Italy (4), Japan (16), Kazakhstan (1), Mexico (3), Nepal (1), New Caledonia (5), New Zealand (17), Peru (3), Romania (1), the Russian Federation (54), Serbia and Montenegro (2), United States (59: Alaska, California, Nevada, Oregon)
• Permian of United States (1: Texas)
Total: 291 collections including 440 occurrences