Classification of the class Siphonoconcha
Cl. †Siphonoconcha Parkhaev 1998
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Or. †Tianzhushanelliformes Parkhaev 1998
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Fm. †Tianzhushanellidae Bengtson et al. 1990
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G. †Apistoconcha Bengtson et al. 1990
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†Apistoconcha apheles Bengtson et al. 1990
†Apistoconcha celsa Bengtson et al. 1990
†Apistoconcha praesiphonalis Parkhaev 1998
†Apistoconcha siphonalis Bengtson et al. 1990
G. †Tianzhushanella Liu 1979
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†Tianzhushanella ovata Liu 1979
†Tianzhushanella tolli Kouchinsky et al. 2017