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Antliodus
ver. 1.2
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Order Petalodontiformes  ZANGERL, 1981 (Bradyodontii)
Family Petalodontidae NEWBERRY et WORTHEN, 1866
Genus Antliodus NEWBERRY et WORTHEN, 1866

Antliodus sp.: a; Middle Mississippian, Salem Limestone Fm., Washington County, Indiana, b; Upper Mississippian, Indian Springs Formation, Crawford County, Indiana

11 mm W, 7.1 mm W
Antliodus sp.: a; Pennsylvannian, Aimes Fm., Guernsey county, Ohio, b; upper Pennsylvannian Kewiz Shale, Stanton Formation, Lansing Group, Louisville, Cass County, Nebraska

18 mm H, 9 mm H

Chomatodus
ver. 1.0



Genus Chomatodus AGASSIZ, 1838

Chomatodus multiplicatus NEWBERRY et WORTHEN, 1866: Middle Mississippian, Salem/Harrodsburg Limestone, Hardin County, Kentucky

27 mm W
Chomatodus sp.: a; Middle Mississippian, Muldraugh Fm., Hardin County, Kentucky, b; Middle Mississippian, Harrodsburg Limestone Fm., Washington County

18 mm W, 30 mm W

Lisgodus
ver. 1.0



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
20120901


Petalodus
ver. 1.1



Genus Petalodus OWEN, 1845

Petalodus acuminatus AGASSIZ, 1838: a; Lower Carboniferous Serpuchov Fm., Serpuchov, Moscow Region, b; Upper Mississippian, Indian Springs Formation, Crawford County, Indiana

28 mm W, 23 mm W
Petalodus cf. destructor: Upper Pennsylvannian Kewiz Shale, Stanton Formation, Lansing Group, Louisville, Cass County, Nebraska

33 mm H, 8 mm H
Petalodus sp.: "Wilson Pit", Coleman Co., Texas

43 mm H

Permopetalodus
ver. 1.0



Genus Permopetalodus KOZLOV, 2000

Permopetalodus frederixi KOZLOV, 2000: Lower Permian, Arty Formation, Krasnoufimsk, Middle Ural


19 mm W, 9 mm H, 8 mm H
20020916


Polyrhizodus
ver. 1.0



Genus Polyrhizodus M'COY, 1848

a; Polyrhizodus concavus ST. JOHN et WORTHEN, 1875: Middle Pennsylvanian, Kasimov Formation, Achkasovo, Moscow
b;
P. grandis EASTMAN, 1917: Middle Mississippian, Harrodsburg Limestone Fm., Washington County, U.S.A.

left; 30 mm W, 25 mm W, right; 27 mm W
20120412

Tanaodus
ver. 1.0



Genus Tanaodus ST. JOHN et WORTHEN, 1875

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

8 mm W
20120901


Harpacodus/Venustodus
ver. 1.0



Order Petalodontiformes  ZANGERL, 1981 (Bradyodontii)/ Cochliodontiforme 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
20120901



Fissodus
ver. 1.0



Family Janassidae JAEKEL, 1898
Genus Fissodus ST. JOHN et WORTHEN, 1875

Fissodus sp.:
a; Upper Pennsylvannian Kewiz Shale, Stanton Formation, Lansing Group, Louisville, Cass County, Nebraska
b; Pennsylvannian, Raytown Limestone Fm., Lenexa, Johnson Co., Kansas
c; Upper Mississippian, Haney Fm., Crawford County, Indiana

left;15 mm, 8 mm H, right; 4 mm H
20120412


Janassa
ver. 1.0



Genus Janassa MÜNSTER, 1839

a; Janassa bituminosa/ Trilobites bituminosus SCHLOTHEIM, 1820: Upper Pennsylvanian Stull Shale, Kanwaka Formation, Shawnee Group (Virgilian) Plattesmouth, Cass County, Nebraska
b;
Janassa sp.: Middle Mississippian, Muldraugh Fm., Hardin County, Kentucky

15 mm, 14 mm H
20120412



Peripristis
ver. 1.0



Family Pristodontidae WOODWARD, 1889
Genus Peripristis ST. JOHN, 1970

Peripristis semicirculatus (NEWBERRY et WORTHEN, 1866):
a; Pennsylvannian Kewiz Shale, Stanton Formation, Lansing Group, Louisville, Cass County, Nebraska
b; Pennsylvannian, Raytown Limestone Fm., Kansas city, Missouri

22mm H, 16 mm H, 20.5 mm H
20120412

Pristodus
ver. 1.0



Genus Pristodus DAVIS, 1883

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

15 mm W

20061016


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