-
Trapezotheca aemulus
(Holm, 1893 †) (FOSSIL)
-
Trapezotheca bicostata
Rozanov & al., 1969 † (FOSSIL)
-
Probactrotheca briketa
Valent & al., 2012 † (FOSSIL)
-
Lenatheca dolosa
A.V. Sysoev, 1972 † (FOSSIL)
-
Bactrotheca emmonsi
(J. Ford, 1873 †) (FOSSIL)
-
Lenatheca groenlandica
(C.M. Poulsen, 1932 †) (FOSSIL)
-
Lenatheca incognita
Meshkova, 1974 † (FOSSIL)
-
Petasotheca minuta
Landing & Bartowski, 1996 † (FOSSIL)
-
Lenatheca pyramidata
(A.V. Sysoev, 1968 †) (FOSSIL)
-
Quadrotheca shipaiensis
Z.X. Qian & al., 1979 † (FOSSIL)
-
Bactrotheca teres
(Barrande, 1867 †) (FOSSIL)
-
Lenatheca triconcava
(A.V. Sysoev, 1968 †) (FOSSIL)
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