Ostracoda - Palaeocopida - Quadrijugatoridae
Alternative spellings: Quadrijugatidae, Quadrijugatoriidae
Full reference: R. V. Kesling and R. C. Hussey. 1953. A new family and genus of ostracod from the Ordovician Bill's Creek Shale of Michigan. Contributions from the Museum of Paleontology, University of Michigan 11(4):77-95
Parent taxon: Bollioidea according to A. Liebau 2005
See also Benson et al. 1961, Jaanusson 1957 and Melnikova 2010
Sister taxon: Bassleratiidae
Subtaxa: Quadrijugator Tallinnellina
Type: Quadrijugator
Ecology: epifaunal suspension feeder
Distribution:
• Dobrotivian of Portugal (4 collections), Spain (2)
• Ordovician of Canada (1: Québec), the Russian Federation (1), United States (1: Ohio)
Total: 9 collections each including a single occurrence