Classification of Lochman 1966

G. †Barnesella Bridge and Cloud 1947
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Barnesella affinis Billings 1865
G. †Lytospira Koken 1896
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Lytospira mediosulcata Kobayashi 1955
Lytospira ornata Lochman 1966
G. †Raphistomina Ulrich and Scofield 1897
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Raphistomina sinclairensis Kobayashi 1955
G. †Euconia Ulrich and Scofield 1897
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Euconia conica Heller 1954
G. †Rhombella Bridge and Cloud 1947
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Rhombella umbilicata Dake and Bridge 1932
G. †Schizopea Butts 1926
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Schizopea typica Ulrich et al. 1931
G. †Nanorthis Ulrich and Cooper 1936
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Nanorthis putilla Walcott 1924
G. †Ptyocephalus Agassiz 1843
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Invalid names: Ptychocephalus Agassiz 1843 [misspelling]
Fm. †Bathyuridae Walcott 1886
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G. †Oculomagnus Lochman 1966
G. †Reubenella Lochmann 1966
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Reubenella rex Lochman 1966