Classification of the genus Knefastia

G. Knefastia Dall 1919
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†Knefastia chira Olsson 1931
†Knefastia garcesana Addicott 1970
Knefastia hilli Petuch 1990
†Knefastia limonensis Olsson 1922
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Invalid names: Knefastia lavinoides Olsson 1922 [synonym]
†Knefastia lindae Petuch 1994
Knefastia olivacea Sowerby I 1833