Antliodus
ver. 1.1
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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 |
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 |
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 |
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 |
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 |
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 |
Pristodus
ver. 1.0
Genus Pristodus DAVIS, 1883
| Pristodus sp.: Lower Pennsylvanian, Serpukhov Formation, Moscow Region, Serpukhov |
| 15 mm W |
| 20120412 |
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Fumio Nakagawa