Classification of the order Parasemionotiformes
Or. †Parasemionotiformes Lehmann 1966
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Fm. †Parasemionotidae Stensiö 1932
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G. †Parasemionotus Piveteau 1929
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†Parasemionotus besairiei Lehman et al. 1959
†Parasemionotus labordei Priem 1924
†Parasemionotus villaltai Beltan 1972
G. †Stensionotus Lehman 1952
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†Stensionotus dongchangensis Liu 2002
†Stensionotus intercessus Lehman 1952
G. †Watsonulus Brough 1939
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†Watsonulus eugnathoides Piveteau 1935
Invalid names: Watsonia Piveteau 1935 [replaced]