Classification of Melchin 1987
G. †Orthograptus Lapworth 1873
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†Orthograptus fastigatus Davies 1929
†Orthograptus thorsteinssoni Melchin 1987
G. †Paraorthograptus
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†Paraorthograptus pacificus Ruedemann 1947
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Invalid names: Paraorthograptus fenxiangensis Wang 1983 [synonym], Paraorthograptus minor Wang 1983 [synonym]
†Climacograptus longispinus Hall 1902
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†Climacograptus longispinus supernus Elles and Wood 1906