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Genus: Anisotechnophorus Pojeta & Runnegar, 1976 † (DB: 1 SP)
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Anisotechnophorus nuculitiformis
(Cleland, 1900 †) (FOSSIL)
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Anisotechnophorus nuculitiformis equilatera
(Cleland, 1900 †) (FOSSIL)
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Genus: Eoischyrinia Kobayashi , 1933 † (DB: 1 SP)
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Eoischyrinia billingsi
Kobayashi, 1933 † (FOSSIL)
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Genus: Ischyrinia Billings , 1866 † (DB: 3 SP)
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Ischyrinia norvegica
T. Soot-Ryen, 1960 † (FOSSIL)
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Ischyrinia species
† (FOSSIL)
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Ischyrinia winchelli
Billings, 1866 † (FOSSIL)
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Ptychites meeki A. Hyatt & Smith, 1905 † =» Ischyrinia winchelli
Billings, 1866 †
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Genus: Pauropegma Pojeta & al., 1977 † (DB: 1 SP)
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Pauropegma jelli
(Pojeta & Runnegar, 1976 †) (FOSSIL)
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Genus: Pseudoeuchasma Kobayashi , 1933 † (DB: 1 SP)
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Pseudoeuchasma typica
T. Kobayashi, 1933 † (FOSSIL)
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Genus: Pseudotechnophorus Kobayashi , 1933 † (DB: 1 SP)
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Pseudotechnophorus typicalis
T. Kobayashi, 1933 † (FOSSIL)
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Genus: Tolmachovia Howell & Kobayashi, 1936 † (DB: 7 SP)
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Tolmachovia andina
Harrington, 1938 † (FOSSIL)
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Tolmachovia babini
Gutiérrez-Marco, 1997 † (FOSSIL)
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Tolmachovia belfordi
Pojeta & al., 1977 † (FOSSIL)
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Tolmachovia concentrica
B.F. Howell & T. Kobayashi, 1936 † (FOSSIL)
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Tolmachovia corbetti
Pojeta & Gilbert-Tomlinson, 1977 † (FOSSIL)
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Tolmachovia crassa
(Thoral, 1935 †) (FOSSIL)
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Tolmachovia landeyranensis
Babin & al., 1982 † (FOSSIL)
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