Classification of Knight 1931
†Aclisina minima Shumard and Swallow 1858
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†Aclisina minuta Stevens 1858
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G. †Aclisina de Koninck 1881
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†Aclisina robusta Stevens 1858
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Invalid names: Aclis stevensoni White 1881 [synonym], Aclisina pumila Mark 1912 [synonym]
Fm. Streptacididae Knight 1931
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G. †Streptacis Meek 1871
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†Streptacis crenimarginis Knight 1931
†Streptacis meeki Knight 1931
†Streptacis scalpta Knight 1931
†Streptacis whitfieldi Meek 1871