Rhynchonellata - Orthida - Hesperonomiidae
Parent taxon: Hesperonomiidae according to J. Hansen and L. E. Holmer 2011
See also Benedetto 2003, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Hesperonomiella, Mollesella, Monorthis, Murjukiana, Protohesperonomia, Treioria, Zhanorthis
Subtaxa: Hesperonomia antelopensis Hesperonomia crassa Hesperonomia nemea Hesperonomia orientalis Hesperonomia planidorsalis Hesperonomia subtransversa Hesperonomia uzunbulakensis
Type: Hesperonomia planidorsalis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Whiterockian of United States (2: Utah collections)
• Arenigian of Argentina (1), United States (1: Utah)
• Arenig of Argentina (5), China (7), France (1), the United Kingdom (2)
• Dawan of China (1)
• Canadian of Canada (4: Northwest Territories)
• Ordovician of Canada (1: Alberta), China (2), France (1), Norway (1), United States (48: California, Idaho, Nevada, Tennessee, Texas, Utah)
• Ibexian of United States (1: Nevada)
Total: 78 collections including 83 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.