Classification of Gubanov et al. 2004
Cl. †Helcionelloida Peel 1991
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G. †Beshtashella Missarzhevsky and Mambetov 1981
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†Beshtashella tortilis Missarzhevsky and Mambetov 1981
G. †Aldanella Vostokova 1962
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†Aldanella attleborensis Shaler and Foerste 1888
†Aldanella iberica Gubanov et al. 2004
†Aldanella kunda Opik 1926
Or. †Helcionellida Geyer 1994
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Fm. †Helcionellidae Wenz 1938
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G. †Helcionella Grabau and Shimer 1909
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†Helcionella atdabanica Rozanov and Missarzhevsky 1966
†Helcionella terraustralis Runnegar and Jell 1976
G. †Latouchella Cobbold 1921
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†Latouchella accordionata Runnegar and Jell 1976
†Latouchella arcuata Gubanov et al. 2004
†Latouchella merino Runnegar and Jell 1976
†Latouchella penecyrano Runnegar and Jell 1976
G. †Pelagiella Matthew 1895
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†Pelagiella adunca He et al. 1984
†Pelagiella adunca He et al. 1984