Classification of Gravestock et al. 2001
G. †Anabarites Voronova and Missarzhevsky 1969
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†Anabarites sexalox Bengtson et al. 1990
†Anabarites trymatus Bengtson et al. 1990
G. †Archiasterella Sdzuy 1969
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†Archiasterella elegans Gravestock et al. 2001
†Archiasterella pentactina Sdzuy 1969
†Archiasterella tetraspina Vassiljeva and Sayutina 1993
G. †Eremactis Bengston and Conway-Morris 1990
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†Eremactis conara Bengtson et al. 1990
†Eremactis guttiformis Gravestock et al. 2001
†Eremactis mawsoni Bengtson 1990
†Eremactis plicatus Gravestock et al. 2001
G. †Micrina Laurie 1986
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†Micrina etheridgei Tate 1892
†Micrina pusilla Gravestock et al. 2001
G. †Hyolithellus Billings 1872
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†Hyolithellus filiformis Bengtson et al. 1990
†Hyolithellus micans Billings 1871
G. †Stoibostrombus Conway Morris and Bengston 1990
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†Stoibostrombus crenulatus Conway Morris and Bengston 1990
†Stoibostrombus mirus Gravestock et al. 2001
G. †Hyptiotheca Bengtson et al. 1990
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†Hyptiotheca karraculum Bengtson et al. 1990
G. †Microcornus Mambetov 1972
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†Microcornus eximius Duan 1984
†Microcornus petilus Bengtson et al. 1990
G. †Microdictyon Bengston et al. 1981
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†Microdictyon depressum Bengtson et al. 1990
G. †Kyrshabaktella Koneva 1986
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†Kyrshabaktella certa Ushatinskaya and in Pelman 1992
†Kyrshabaktella davidi Gravestock et al. 2001
G. †Eoobolus Matthew 1902
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†Eoobolus elatus Gravestock et al. 2001
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Invalid names: Eoobolus elatus Gravestock et al. 2001 [synonym], Eoobolus elatus Gravestock et al. 2001 [synonym]
†Eoobolus viridis Cobbold 1921
Ph. Cephalorhyncha
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Invalid names: Protocephalorhynca Adrianov and Malakhov 1995 [empty]
Fm. †Obolidae King 1846
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Subph. Crustacea Brünnich 1772 [crustacean]
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Invalid names: Bradoriamorphes Kozur 1972 [empty]
Fm. †Chancelloriidae Walcott 1920
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Fm. †Cupithecidae Duan 1984
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G. †Cupittheca Duan 1984
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Invalid names: Cupittheca Duan 1984 [replaced], Cupittheca Duan 1984 [replaced]
Fm. †Botsfordiidae Schindewolf 1955
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