Classification of Wright 1964

G. †Ogmoplecia Wright and Jaanusson 1993
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†Ogmoplecia plicata Wiman 1907
Superfm. †Orthacea Woodward and Schuchert 1852
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Fm. †Dolerorthidae Opik 1934
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G. †Dolerorthis Schuchert and Cooper 1931
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Fm. †Hesperorthidae Schuchert and Cooper 1931
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Subfm. †Glyptorthinae Schuchert and Cooper 1931
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G. †Glyptorthis Foerste 1914
G. †Ptychopleurella Schuchert and Cooper 1931
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†Ptychopleurella separata Wright 1964
G. †Spinorthis Wright 1964
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†Spinorthis geniculata Wright 1964
Invalid names: Hesperorthinae Schuchert and Cooper 1931 [empty]
Fm. †Orthidae Woodward 1852
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Subfm. †Orthinae Woodward 1852
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G. †Orthambonites Pander 1830
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†Orthambonites lyckholmiensis Wysogorski 1900
G. †Taphrorthis Cooper 1956
Subfm. †Productorthinae Schuchert and Cooper 1931
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G. †Nicolella Reed 1917
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†Nicolella actoniae de Sowerby and Murchison 1839
Fm. †Orthidiellidae Ulrich and Cooper 1936
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G. †Portranella Wright 1964
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Fm. †Plectorthidae Schuchert and Le Vene 1929
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Subfm. †Plectorthinae Schuchert and Le Vene 1929
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G. †Hebertella Hall and Clarke 1892
G. †Plectorthis Hall and Clarke 1892
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G. †Scaphorthis Cooper 1956
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†Scaphorthis sulcata Wright 1964
G. †Schizophorella Reed 1917
Subfm. †Rhactorthinae Williams 1963
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G. †Mcewanella Foerste 1920
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†Mcewanella dorsisulcata Wright 1964
G. †Rhactorthis Williams 1963
Fm. †Saukrodictyidae Wright 1964
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G. †Saukrodictya Wright 1964
Fm. †Skenidiidae Kozlowski 1929
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G. †Skenidioides Schuchert and Cooper 1931
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Invalid names: Dinorthidae Schuchert and Cooper 1931 [empty]
†Glyptorthis maritima Wright 1964
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†Schizophorella fallax Salter 1846
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Superfm. †Clitambonitacea Winchell and Schuchert 1893
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Fm. †Clitambonitidae Winchell and Schuchert 1893
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G. †Vellamo Opik 1930
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†Vellamo sulculata Wright 1964
Fm. †Kullervoidae Opik 1934
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G. †Kullervo Opik 1932
Superfm. †Triplesiacea Schuchert 1913
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Fm. †Triplesiidae Schuchert 1913
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G. †Oxoplecia Wilson 1913
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†Oxoplecia cooperi Wright 1964
G. †Streptis Davidson 1881
G. †Triplesia Hall 1859
Superfm. †Dalmanellacea Schuchert and Cooper 1931
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Fm. †Dalmanellidae Schuchert 1913
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G. †Bancroftina Sinclair 1946
G. †Dalmanella Hall and Clarke 1892
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†Dalmanella portranensis Wright 1964
Fm. †Dicoelosiidae Cloud 1948
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G. †Dicoelosia King 1850
Fm. †Harknessellidae Bancroft 1928
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G. †Reuschella Bancroft 1928
Fm. †Linoporellidae Schuchert and Cooper 1931
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G. †Laticrura Cooper 1956
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†Laticrura erecta Wright 1964
Fm. †Schizophoriidae Schuchert and Le Vene 1929
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Subfm. †Isorthinae Schuchert and Cooper 1931
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G. †Isorthis Kozlowski 1929
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†Isorthis bailyi Wright 1964