Classification of the genus Anomalorthis
G. †Anomalorthis Ulrich and Cooper 1936
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†Anomalorthis fascicostellatus Ross 1970
†Anomalorthis lonensis Walcott 1884
†Anomalorthis nevadensis Ulrich and Cooper 1938
†Anomalorthis oklahomensis Ulrich and Cooper 1938
†Anomalorthis resoi Ross 1970
†Anomalorthis rossi Hansen and Holmer 2011
†Anomalorthis utahensis Ulrich and Cooper 1936