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Arpagodus
ver. 1.0



Order Eugeneodontiformes ZANGERL, 1981
Family Agassizodontidae ZANGERL, 1981
Genus Arpagodus ST. JOHN et WORTHEN, 1875

Arpagodus rectangulus TRAUTSCHOLD, 1879: Upper Pennsylvanian, Raytown Limestone Fm., Lenexa, Johnson Co., Kansas



Harpacodus/Venustodus
ver. 1.0



Order Petalodontiformes  ZANGERL, 1981 (Bradyodontii)/ Cochliodontiformes OBRUCHEV, 1953
Family Petalodontidae NEWBERRY et WORTHE, 1866/ Cochliodontidae incertae sedis....
Genus Harpacodus DAVIS, 1883/ Venustodus ST. JOHN et WORTHEN, 1875

Harpacodus clavatus DAVIS, 1883/Venustodus clavatus: Serpuchovian, Upper Mississippian, Serpuchov Formation, Moscow Region

5 mm W

Harpacodus sp./Venustodus sp.: Upper Mississipian, Haney Formation, Crawford County, Indiana

12 mm W


Lisgodus
ver. 1.0



Order Petalodontiformes  ZANGERL, 1981 (Bradyodontii)
Family Petalodontidae NEWBERRY et WORTHE, 1866
Genus Lisgodus ST. JOHN et WORTHEN, 1875

Lisgodus sp.:
a; Middle Mississippian, Harrodsburg Limestone Fm., Washington County
b; Middle Mississippian, Salem Limestone Fm., Washington County, Indiana

2.2 mm H, 2.6 mm H

Tanaodus
ver. 1.0



Family Petalodontidae NEWBERRY et WORTHE, 1866
Genus Tanaodus ST. JOHN et WORTHEN, 1875

Tanaodus polymorphus ST. JOHN et WORTHEN, 1875: Upper Mississipian, Haney Formation, Crawford County, Indiana

8 mm W


Mesodmodus
ver. 1.0



Order Orodontiformes ZANGERL, 1981/Hybodontiformes ZANGERL, 1981
Family Orodontidae DEKONINCK, 1878/ Hybodontidae OWEN, 1846
Genus Mesodmodus ST. JOHN et WORTHEN, 1875

Mesodmodus sp.: Lower Pennsylvanian, Serpukhov Formation, Moscow Region, Serpukhov

4.1 mm W


20120901 Fumio Nakagawa

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