Classification of the genus Archaeorthis
G. †Archaeorthis Schuchert and Cooper 1931
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†Archaeorthis altaica Rozman and Severgina 1983
†Archaeorthis christianiae Kjerulf 1865
†Archaeorthis costellata Ulrich and Cooper 1938
†Archaeorthis electra Billings 1865
†Archaeorthis elongata Ulrich and Cooper 1936
†Archaeorthis globosa Williams and Curry 1985
†Archaeorthis groenlandica Poulsen 1937
†Archaeorthis major Nikitina et al. 2006
†Archaeorthis subcarinata Laurie 1980
†Archaeorthis wimani Walcott 1905