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Classification of Hampe and Ivanov 2007
Infracl. †
Xenacanthimorpha
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Or. †
Bransonelliformes
Hampe and Ivanov 2007
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G. †
Barbclabornia
Johnson 2003
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†
Barbclabornia luedersensis
Berman 1970
G. †
Bransonella
Harlton 1933
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†
Bransonella nebraskensis
Johnson 1984