Trilobita - Proetida - Bathyuridae
Synonym: Bathyurina Poulsen 1937
Parent taxon: Bathyurinae according to R. A. Fortey and D. L. Bruton 2013
See also Jell and Adrain 2002, Sepkoski 2002 and Whittington 1968
Sister taxa: Bathyurine, Bolbocephalus, Catochia, Cullisonia, Gelasinocephalus, Peltabellia, Petigurus, Psalikilopsis, Rananasus, Ranasasus, Speyeris
Subtaxa: Bathyurina megalops Jeffersonia bridgei Jeffersonia exterminata Jeffersonia granosa Jeffersonia jenni Jeffersonia striagena Jeffersonia timon Jeffersonia ulrichi Jeffersonia viator
Type: Jeffersonia exterminata
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Arenig of Greenland (2 collections)
• Ordovician of Canada (40: Newfoundland, Newfoundland and Labrador, Nunavut, Quebec), Norway (3), United States (47: Missouri, Nevada, Oklahoma, Texas, Utah)
• Canadian of Canada (1: Newfoundland and Labrador)
• Ibexian of Norway (1)
• Skullrockian of Canada (1: Newfoundland)
Total: 95 collections including 116 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.