Classification of the genus Nanorthis

G. †Nanorthis Ulrich and Cooper 1936
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Nanorthis carinata Laurie 1980
Nanorthis hamburgensis Walcott 1884
Nanorthis purmamarcaensis Benedetto and Carrasco 2002
Nanorthis putilla Walcott 1924
Invalid names: Evenkinorthis [synonym]