-
Genus: Bentoceras Stumbur, 1962 † (DB: 2 SP)
-
Bentoceras proteus
(Holm, 1899 †) (FOSSIL)
-
Bentoceras rubeli
Stumbur, 1962 † (FOSSIL)
-
Genus: Campbelloceras Ulrich & Foerste, 1936 † (DB: 8 SP)
-
Campbelloceras brevicameratum
Ulrich & al., 1942 † (FOSSIL)
-
Campbelloceras clochense
R.L. Collins † (FOSSIL)
-
Campbelloceras hyatti
Ulrich & al., 1942 † (FOSSIL)
-
Campbelloceras mcgerriglei
Ulrich & al., 1942 † (FOSSIL)
-
Campbelloceras rotundum
(A. Hyatt, 1894 †) (FOSSIL)
-
Campbelloceras rotundatum A. Hyatt, 1894 † =» Campbelloceras rotundum
(A. Hyatt, 1894 †)
-
Campbelloceras tuelli
Miller & Cullison † (FOSSIL)
-
Campbelloceras virginianium
(A. Hyatt †) (FOSSIL)
-
Campbelloceras virginianus
(A. Hyatt, 1894 †) (FOSSIL)
-
Genus: Centrotarphyceras Ulrich & Foerste, 1936 † (DB: 9 SP)
-
Centrotarphyceras apheusi
Ulrich & al., 1942 † (FOSSIL)
-
Centrotarphyceras bidgei
Ulrich & al., 1942 † (FOSSIL)
-
Centrotarphyceras imperator
(Billings, 1861 †) (FOSSIL)
-
Lituites imperator Billings, 1861 † =» Centrotarphyceras imperator
(Billings, 1861 †)
-
Centrotarphyceras macdonaldi
(A. Hyatt, 1894 †) (FOSSIL)
-
Centrotarphyceras powersi
Ulrich & al., 1942 † (FOSSIL)
-
Centrotarphyceras seelei
(R.P. Whitfield †) (FOSSIL)
-
Centrotarphyceras seelyi
(R.P. Whitfield, 1886 †) (FOSSIL)
-
Centrotarphyceras subundosum
Ulrich & al., 1942 † (FOSSIL)
-
Centrotarphyceras yellvillense
Ulrich & al., 1942 † (FOSSIL)
-
Genus: Cycloplectoceras Ulrich & al., 1942 † (DB: 2 SP)
-
Cycloplectoceras funatum
Ulrich & al., 1942 † (FOSSIL)
-
Cycloplectoceras miseri
Ulrich & al., 1942 † (FOSSIL)
-
Genus: Eurystomites Schröder, 1891 † (DB: 6 SP)
-
Eurystomites accelerans
Ruedemann, 1906 † (FOSSIL)
-
Eurystomites amplectens
Ruedemann, 1906 † (FOSSIL)
-
Eurystomites avensis
Ulrich & al., 1942 † (FOSSIL)
-
Eurystomites bolarensis
Ulrich & al., 1942 † (FOSSIL)
-
Eurystomites ferox
(Billings, 1861 †) (FOSSIL)
-
Eurystomites kelloggi
(R.P. Whitfield, 1886 †) (FOSSIL)
-
Genus: Moreauoceras Cullison, 1944 † (DB: 1 SP)
-
Moreauoceras milleri
Cullison † (FOSSIL)
-
Genus: Pilotoceras Cullison, 1944 † (DB: 1 SP)
-
Pilotoceras brunei
Cullison † (FOSSIL)
-
Genus: Pionoceras Ulrich & al., 1942 † (DB: 4 SP)
-
Pionoceras pomponium
(Billing, 1862 †) (FOSSIL)
-
Nautilus pomponius Billing, 1862 † =» Pionoceras pomponium
(Billing, 1862 †)
-
Pionoceras smithvillense
Ulrich & al., 1942 † (FOSSIL)
-
Pionoceras swartzi
Ulrich & al., 1942 † (FOSSIL)
-
Pionoceras vokesi
Ulrich & al., 1942 † (FOSSIL)
-
Genus: Rectanguloceras Stumbur , 1962 † (DB: 1 SP)
-
Rectanguloceras vasalemmense
(Balaschov, 1953 †) (FOSSIL)
-
Genus: Seelyoceras Ulrich & Foerste, 1936 † (DB: 1 SP)
-
Seelyoceras raei
(R.P. Whitfield, 1889 †) (FOSSIL)
-
Genus: Sweetoceras Stumbur , 1962 † (DB: 1 SP)
-
Sweetoceras boreale
(Sweet, 1958 †) (FOSSIL)
-
Discoceras boreale Sweet, 1958 † =» Sweetoceras boreale
(Sweet, 1958 †)
-
Sweetoceras boreale amplicameratum
(Sweet, 1958 †) (FOSSIL)
-
Discoceras boreale amplicameratum Sweet, 1958 † =» Sweetoceras boreale amplicameratum
(Sweet, 1958 †)
-
Genus: Tarphyceras Hyatt, 1894 † (DB: 12 SP)
-
Tarphyceras apollo
(Billings, 1861 †) (FOSSIL)
-
Tarphyceras aucoini
A. Hyatt, 1894 † (FOSSIL)
-
Tarphyceras chadwickense
Ulrich & al., 1942 † (FOSSIL)
-
Tarphyceras champlainense
(Schröder, 1891 †) (FOSSIL)
-
Tarphyceras clarkei
Ruedemann, 1906 † (FOSSIL)
-
Tarphyceras excentricum
Balaschov † (FOSSIL)
-
Tarphyceras extensum
A. Hyatt, 1894 † (FOSSIL)
-
Tarphyceras morkokense
Balaschov † (FOSSIL)
-
Tarphyceras multicameratum
Ruedemann, 1906 † (FOSSIL)
-
Tarphyceras palinurus
(Billings, 1861 †) (FOSSIL)
-
Tarphyceras perkinsi
R.P. Whitfield, 1897 † (FOSSIL)
-
Tarphyceras prematurum
A. Hyatt, 1894 † (FOSSIL)
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