Tritoechia Ulrich and Cooper 1936 (lamp shell)

Strophomenata - Billingsellida - Polytoechiidae

Full reference: E. O. Ulrich and G. A. Cooper. 1936. New Genera and Species of Ozarkian and Canadian Brachiopods. Journal of Paleontology 10(7):616-631

Parent taxon: Polytoechiidae according to A. Williams et al. 2000

See also Benedetto 2003, Neuman 1964 and Sepkoski 2002

Sister taxa: Acanthotoechia, Admixtella, Antigonambonites, Asymphylotoechia, Eremotoechia, Martellia, Peritritoechia, Platytoechia, Polytoechia, Protambonites, Raunites

Subtaxa: Tritoechia (Parvitritoechia) Tritoechia (Tritoechia) Tritoechia alta Tritoechia billingsi Tritoechia careyi Tritoechia crassa Tritoechia delicatula Tritoechia florentinensis Tritoechia karmbergensis Tritoechia kendyktasica Tritoechia lewisi Tritoechia mollesensis Tritoechia tokmakensis Tritoechia typica

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Ecology: stationary epifaunal suspension feeder


• Ordovician of Argentina (5 collections), Australia (10), Canada (7: Alberta, Newfoundland), China (25), Iran (2), Ireland (1), Kazakhstan (5), the Russian Federation (1), United States (13: Idaho, Maine, Nevada, Oklahoma, Utah)

• Whiterockian of United States (1: Utah)

• Castlemainian of Australia (1)

• Dawan of China (3)

• Cassinian of Canada (2: Newfoundland), United States (2: Utah)

• Arenig of Argentina (7), Canada (1: New Brunswick), China (21), the United Kingdom (1), United States (1: Nevada)

• Arenigian of Argentina (4), United States (1: Nevada)

• Canadian of Canada (4: Northwest Territories), United States (1: Maryland)

• Jeffersonian of Canada (2: Newfoundland, Newfoundland and Labrador), United States (1: Oklahoma)

Total: 122 collections including 127 occurrences

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