†family Finkelnburgiidae Schuchert and Cooper 1931 (lamp shell)

Rhynchonellata - Orthida - Finkelnburgiidae

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

See also Neuman and Bruton 1974, Williams et al. 2000 and Zhan et al. 2010

Sister taxa: Apatoskenidioides, Chilcorthidae, Cremnorthidae, Cyclocoeliidae, Eoorthidae, Euorthisinidae, Giraldiellidae, Lebediorthis, Nanorthidae, Phragmorthidae, Platystrophiidae, Plectorthidae, Ranorthidae, Rhactorthidae, Tasmanorthidae, Wangyuiidae

Subtaxa: Diparelasma Fasciculina Finkelnburgia Guoleella Notoscaphidia Orusia

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of Argentina (2 collections), Bolivia (2), Canada (8: Newfoundland, Newfoundland and Labrador), China (5), Ireland (1), Norway (1), the Russian Federation (19), United States (37: Alaska, Georgia, Idaho, Nevada, New York, Pennsylvania, Texas, Utah, Vermont, Virginia)

• Whiterockian of United States (1: Utah)

• Dawan of China (1)

• Cassinian of Canada (2: Quebec), United States (10: Missouri, Utah)

• Arenig of China (9), the Russian Federation (4), the United Kingdom (1), United States (3: North Dakota, Oklahoma, Texas)

• Arenigian of United States (2: Nevada, Utah)

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

• Jefferson of United States (2: Oklahoma)

• Jeffersonian of United States (1: Texas)

• Cambrian to Ordovician of the Russian Federation (1)

• Cambrian of China (3), Norway (14), Poland (1), the Russian Federation (1), Sweden (1), United States (5: Missouri, Vermont)

Total: 145 collections including 155 occurrences

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