Hesperorthis Schuchert and Cooper 1931 (lamp shell)

Rhynchonellata - Orthida - Hesperorthidae

Parent taxon: Hesperorthidae according to M. Liljeroth et al. 2017

See also Bassett and Cocks 1974, Jakobsen et al. 2014, Jin and Chatterton 1997, Macomber 1970, Oraspold 1956, Oraspold 1959, Potter 1990, Rubel 2011, Sepkoski 2002, Williams et al. 2000 and Wright 1964

Sister taxa: Barbarorthis, Dolerorthis, Flabellitesia, Lordorthis, Paradolerorthis, Ptychopleurella, Schizonema

Subtaxa: Hesperorthis australis Hesperorthis avalanchensis Hesperorthis barbata Hesperorthis benjaminensis Hesperorthis costalis Hesperorthis craigensis Hesperorthis davidsoni Hesperorthis gotlandica Hesperorthis hillistensis Hesperorthis ignicula Hesperorthis leinsterensis Hesperorthis longirostroides Hesperorthis martinssoni Hesperorthis mucronata Hesperorthis onniensis Hesperorthis pyramidalis Hesperorthis rae Hesperorthis tricenaria

View classification

Type: Orthis tricenaria

Ecology: stationary epifaunal suspension feeder

Distribution:

• Clinton of Canada (2: British Columbia collections)

• Silurian of Australia (1), Canada (20: Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), China (3), the Czech Republic (1), Estonia (28), Iran (1), Norway (3), the Russian Federation (1), Sweden (8), Ukraine (1), the United Kingdom (3), United States (6: California, Illinois, Indiana)

• Ordovician to Silurian of Canada (1: British Columbia), United States (1: Illinois)

• Ordovician of Argentina (1), Australia (6), Belarus (2), Canada (49: Manitoba, Newfoundland, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Québec), China (3), Estonia (6), Ireland (7), Lithuania (1), Mongolia (5), Norway (5), the Russian Federation (33), Spain (2), Sweden (2), Turkey (1), the United Kingdom (16), United States (191: California, Georgia, Illinois, Iowa, Kentucky, Michigan, Minnesota, Missouri, Nevada, New York, Oklahoma, Pennsylvania, Tennessee, Virginia, Wisconsin, Wyoming)

• Llandeilo of Australia (3), China (1), Mongolia (1), the United Kingdom (1)

• Chazy of United States (6: New York, Virginia)

• Whiterockian of United States (7: Nevada)

• Arenig of China (1)

Total: 430 collections including 445 occurrences

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Specimen images are retrieved through the ePANDDA API.


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