†family Platyorthidae Harper et al. 1969 (lamp shell)

Rhynchonellata - Orthida - Platyorthidae

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

See also Boucot et al. 2008

Sister taxa: Angusticardiniidae, Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Paurorthidae, Portranellidae, Proschizophoriidae, Rhipidomellidae, Tyronellidae

Subtaxa: Crozonorthis Diceromyonia Eorhipidomella Marklandella Platyorthis Proclinorthis

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of Algeria (1 collection), Australia (1), Brazil (3), Canada (1: Nova Scotia), France (4), Germany (6), Luxembourg (2), Morocco (2), Poland (1), Spain (12), Ukraine (4), the United Kingdom (4), United States (12: New York), Venezuela (1), Vietnam (2)

• Silurian to Devonian of Spain (1)

• Silurian of Estonia (1), Mongolia (1), Norway (4), United States (3: Missouri)

• Ordovician of Canada (31: Manitoba, Northwest Territories), France (2), Portugal (3), the Russian Federation (1), Spain (12), United States (25: Idaho, Illinois, Iowa, Iowa, Minnesota, Nevada, Oklahoma, Tennessee, Texas, Wyoming)

Total: 140 collections including 142 occurrences

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