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Genus: Microcornus Mambetov , 1972 † (DB: 9 SP)
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Microcornus breviligulatus
Z.X. Qian, 1989 † (FOSSIL)
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Microcornus egregius
Demidenko, 2001 † (FOSSIL)
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Microcornus elongatus
Missarzhevsky, 1980 † (FOSSIL)
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Microcornus eximius
Y.H. Duan, 1984 † (FOSSIL)
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Microcornus parvulus
Mambetov, 1972 † (FOSSIL)
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Microcornus petilus
Bengtson & al., 1990 † (FOSSIL)
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Microcornus pinyuis
Y.H. Duan, 1984 † (FOSSIL)
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Microcornus simus
Missarzhevsky, 1974 † (FOSSIL)
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Microcornus talasicus
Mambetov, 1981 † (FOSSIL)
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Genus: Jacutolituus Missarzehevsky, 1974 † (DB: 1 SP)
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Jacutolituus fusiformis
Missarzehevsky, 1974 † (FOSSIL)
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Genus: Nelegerocornus Meshkova, 1974 † (DB: 3 SP)
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Nelegerocornus attenuatus
Meshkova, 1974 † (FOSSIL)
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Nelegerocornus marginatus
Meshkova, 1974 † (FOSSIL)
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Nelegerocornus revolutus
Meshkova, 1974 † (FOSSIL)
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