†family Hesperonomiidae Ulrich and Cooper 1936 (lamp shell)

Rhynchonellata - Orthida - Hesperonomiidae

Parent taxon: Orthoidea according to J. Hansen and L. E. Holmer 2011

See also Benedetto 2003 and Williams et al. 2000

Sister taxa: Anomalorthidae, Archaeorthidae, Bajanorthis, Bohemiellidae, Cathaysiorthidae, Glyptorthidae, Hesperorthidae, Lycophoriidae, Malinella, Nugnecella, Orthidae, Orthidiellidae, Ottadalenites, Plaesiomyidae, Poramborthidae, Productorthidae, Skenidioidae, Tarfayidae, Turarella, Whittardiidae, Zhejiangorthis, Dolerorthidae, Dinorthidae

Subtaxa: Hesperonomia Hesperonomiella Mollesella Monorthis Murjukiana Protohesperonomia Treioria Zhanorthis

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Whiterockian of United States (3: Utah collections)

• Fennian of France (1)

• Volkhov of Argentina (1)

• Dawan of China (1)

• Arenigian of Argentina (9), United States (3: Nevada, Utah)

• Arenig of Argentina (8), China (7), France (1), the United Kingdom (3)

• Canadian of Canada (5: Northwest Territories, Québec)

• Ordovician of Argentina (1), Canada (2: Alberta, British Columbia), Iran (2), Ireland (1), Kazakhstan (2), Norway (1), Spain (1), the United Kingdom (4), United States (52: California, Idaho, Nevada, Tennessee, Texas, Utah)

• Tremadoc of China (2)

• Ibexian of United States (1: Nevada)

Total: 111 collections including 129 occurrences

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