Classification of Bates 1969

G. †Megalaspidella Kobayashi 1937
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†Megalaspidella murchisoniae Murchison 1839
G. †Neseuretus Hicks 1873
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†Neseuretus ramseyensis Hicks 1873
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Invalid names: Calymene recurvatus Hicks 1873 [synonym], Neseuretus elongatus Hicks 1873 [synonym], Neseuretus grandior Whittard 1960 [synonym]
G. †Monorthis
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†Monorthis menapiae Davidson 1868
Fm. †Orthidae Woodward 1852
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G. †Lenorthis Andreeva 1955
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†Lenorthis alata de Sowerby and Murchison 1839
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Invalid names: Lenorthis carausii Davidson 1868 [synonym]