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Tianzhushanelliformes
Taxonomy
Tianzhushanelliformes was named by Parkhaev (1998).
It was assigned to Siphonoconcha by Parkhaev (1998) and Parkhaev (2001).
It was assigned to Siphonoconcha by Parkhaev (1998) and Parkhaev (2001).
Subtaxa
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
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
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Yu. Parkhaev 2001 | Bilaterally symmetrical bivalved organisms with calcareous shell. The valve arrangement is dorso-ventral. The presence of mantle cavity and inhalant siphon is supposed. Metamerism and lophophore are absent. |