Classification of Tazawa 2012

G. †Peltichia Jin and Liao 1981
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†Peltichia transversa Huang 1933
G. †Eolyttonia Frederiks 1924
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†Eolyttonia mira Fredericks 1916
†Eolyttonia tenuis Waagen 1883
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Invalid names: Eolyttonia nakazawai Shimizu 1961 [synonym]
G. †Lamnimargus Waterhouse 1975
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†Lamnimargus japonicus Tazawa 1975
†Lamnimargus peregrinus Fredericks 1924
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Invalid names: Dictyoclostus zesiensis Lee and Gu 1976 [synonym]
G. †Megousia Muir-Wood and Cooper 1960
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†Megousia auriculata Muir-Wood and Cooper 1960
†Megousia nakamurai Tazawa 1975
G. †Oldhamina Waagen 1883
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†Oldhamina anshunensis Huang 1932
†Oldhamina kitakamiensis Tazawa 1982
†Oldhamina squamosa Huang 1932
G. †Orthothrix Geinitz 1847
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†Orthothrix sudoi Tazawa 2012
G. †Spinomarginifera Huang 1932
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G. †Terrakea Booker 1929
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†Tschernyschewia typica Stoyanow 1910
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†Choristitella wynnei Waagen 1883
G. †Hustedia Hall and Clarke 1893
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†Hustedia indica Waagen 1883
†Hustedia minuta Tazawa 2011
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†Spiriferellina cristata von Schlotheim 1816