USNM:PAL
Venustodus
USNM PAL457219 F. Springer
United States, Iowa
USNM:PAL
Janassa
USNM PAL235411 J. Smedley 1950-00-00
United States, Wyoming, Teton County
USNM:PAL
Chomatodus curtus (St.John & Worthen)
USNM V14071
United States, Iowa
USNM:PAL
Petalodus
USNM PAL339394
United States, Illinois
USNM:PAL
Ctenoptychius apicalis Agassiz
USNM V4138
England, Lancashire
USNM:PAL
Petalorhynchus striatus Newberry & Worthen
USNM PAL412144 F. Springer
United States, Iowa
USNM:PAL
Venustodus robustus St.John & Worthen
USNM PAL412097 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Venustodus
USNM V14643 O. St.John
United States, Missouri
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V14078 O. St.John
United States, Iowa
USNM:PAL
Chomatodus
USNM V14810 F. Springer
United States, Iowa
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14088 O. St.John
United States, Iowa
USNM:PAL
Tanaeodus depressus St.John & Worthen
USNM V14294 O. St.John
United States, Illinois
USNM:PAL
Polyrhizodus magnus M'Coy
USNM V14550
Ireland
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15009 G. Hambach
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449046 O. St.John 1867-00-00
United States, Iowa
USNM:PAL
Venustodus
USNM PAL341293 O. St.John 1868-00-00
United States, Iowa, Louisa County
USNM:PAL
Antliodus
USNM PAL339344 F. Springer
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15008 G. Hambach
United States, Illinois
USNM:PAL
Tanaeodus praenuntius St.John & Worthen
USNM V14314 O. St.John 1869-00-00
United States, Iowa
USNM:PAL
Antliodus sarcululus Newberry & Worthen
USNM PAL339349 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Chomatodus serratus (St.John & Worthen)
USNM V14069 O. St.John
United States, Iowa
USNM:PAL
Chomatodus truncatus Agassiz
USNM V14070
Ireland
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15038 G. Hambach
United States, Illinois
USNM:PAL
Chomatodus comptus St.John & Worthen
USNM V13223 Springer & St.John
United States, Iowa, Louisa County
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL391988 O. St.John
Ireland
USNM:PAL
Venustodus venustus (Leidy)
USNM V14773 O. St.John
United States, Illinois
USNM:PAL
Chomatodus mutabilis St.John & Worthen
USNM V14066 O. St.John
United States, Iowa
USNM:PAL
Chomatodus
USNM PAL339404 O. St.John
United States, Missouri
USNM:PAL
Polyrhizodus
USNM V14802 G. Hambach
United States, Illinois
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15011 G. Hambach
United States, Illinois
USNM:PAL
Venustodus
USNM PAL341296 O. St.John
United States, Iowa
USNM:PAL
Janassa bituminosa (Schlotheim)
USNM PAL449054
Germany
USNM:PAL
Antliodus
USNM PAL339343 F. Springer
United States, Iowa
USNM:PAL
Chomatodus
USNM PAL339402 O. St.John
United States, Missouri
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14085 F. Springer
United States, Illinois
USNM:PAL
Polyrhizodus
USNM PAL339384 F. Springer
United States, Iowa
USNM:PAL
Ctenoptychius
USNM V14613 R. Drinkwater 1872-00-00
England
USNM:PAL
Janassa
USNM PAL412143 F. Springer
United States, Iowa
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14804 E. Wood 1872-00-00
England, Yorkshire
USNM:PAL
Polyrhizodus grandis Eastman
USNM V8116 G. Hambach
United States, Missouri
USNM:PAL
Tanaeodus
USNM V14795 O. St.John
United States, Illinois
USNM:PAL
Tanaeodus
USNM PAL339357 F. Springer
United States, Iowa
USNM:PAL
Venustodus variabilis St.John & Worthen
USNM V13203 Springer & St.John
United States, Iowa, Louisa County
USNM:PAL
Venustodus fortis (St.John & Worthen)
USNM PAL339310 F. Springer
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15010 G. Hambach
United States, Illinois
USNM:PAL
Chomatodus comptus St.John & Worthen
USNM V13222 Springer & St.John
United States, Iowa, Louisa County
USNM:PAL
Chomatodus insignis (Leidy)
USNM V14173 O. St.John 1882-00-00
United States, Illinois
USNM:PAL
Ctenopetalus
USNM V14177 A. Worthen 1873-00-00
United States, Missouri
USNM:PAL
Chomatodus elegans Newberry & Worthen
USNM V3541 L. Cox
United States, Iowa
USNM:PAL
Chomatodus loriformis Newberry & Worthen
USNM V14099 O. St.John
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341361
United States, Missouri
USNM:PAL
Pristodus falcatus Davis
USNM PAL339378 E. Wood 1872-00-00
England, Yorkshire
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13185
United States, Iowa
USNM:PAL
Petalodus allegheniensis Leidy
USNM V18393 J. Harner
United States, Missouri
USNM:PAL
Ctenopetalus medius St.John & Worthen
USNM PAL244452 W. Van Horne
United States, Illinois
USNM:PAL
Peltodus unguiformis Newberry & Worthen
USNM V16554
United States, Illinois, Macoupin County
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14084 O. St.John 1875-00-00
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341365
United States, Kansas
USNM:PAL
Chomatodus arcuatus (St.John)
USNM V14803 O. St.John 1869-00-00
United States, Iowa, Adams County
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15030 A. Worthen 1885-00-00
United States, Illinois
USNM:PAL
Petalodus
USNM PAL339390 Renfro
United States, Texas, Coleman County
USNM:PAL
Antliodus
USNM V14769 O. St.John
United States, Iowa
USNM:PAL
Fissodus
USNM V14597 C. Wachsmuth 1871-00-00
United States, Iowa
USNM:PAL
Venustodus fortis (St.John & Worthen)
USNM V14630 O. St.John
United States, Iowa
USNM:PAL
Lisgodus selluliformis St.John & Worthen
USNM V14248 F. Springer 1882-07-00
United States, Missouri
USNM:PAL
Antliodus
USNM PAL339345 F. Springer
United States, Illinois
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14601
England, Yorkshire
USNM:PAL
Polyrhizodus carbonarius St.John & Worthen
USNM V15056 O. St.John
United States, Illinois
USNM:PAL
Venustodus
USNM PAL341295 O. St.John
United States, Missouri
USNM:PAL
Petalodus ohioensis Safford
USNM V14812 F. Springer 1883-06-00
United States, Kansas
USNM:PAL
Venustodus argutus St.John & Worthen
USNM V16013 O. St.John
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341368
United States, Kansas
USNM:PAL
Venustodus robustus St.John & Worthen
USNM PAL412098 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Petalodus ohioensis Safford
USNM V17041 L. Henbest 1941-09-21
United States, New Mexico
USNM:PAL
Antliodus sulcatus Newberry & Worthen
USNM V14168 F. Springer
United States, Iowa
USNM:PAL
Tanaeodus
USNM PAL339361 F. Springer
United States, Iowa
USNM:PAL
Petalorhynchus
USNM PAL339376 Van Horne
United States, Illinois
USNM:PAL
Ctenopetalus vinosus St.John & Worthen
USNM V13212 F. Springer
United States, Iowa
USNM:PAL
Antliodus
USNM PAL339342 F. Springer
United States, Iowa
USNM:PAL
Chomatodus cultellus Newberry & Worthen
USNM V14074 O. St.John
United States, Iowa
USNM:PAL
Chomatodus
USNM PAL339399 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Petalorhynchus turgidus St.John & Worthen
USNM V14237 O. St.John
United States, Iowa, Monroe County
USNM:PAL
Antliodus sulcatus Newberry & Worthen
USNM V14167 F. Springer
United States, Iowa
USNM:PAL
Petalodus ohioensis Safford
USNM V13496 E. Hughes 1933-00-00
United States, California
USNM:PAL
Antliodus sarcululus Newberry & Worthen
USNM V14160 O. St.John
United States, Iowa
USNM:PAL
Polyrhizodus porosus Newberry & Worthen
USNM V15018 O. St.John
United States, Iowa
USNM:PAL
Petalorhynchus
USNM PAL339371 F. Springer
United States, Iowa
USNM:PAL
Petalorhynchus saggitatus (Agassiz)
USNM V16129
Ireland
USNM:PAL
Polyrhizodus rectus Newberry
USNM V15016 G. Hambach
United States, Illinois
USNM:PAL
Venustodus
USNM PAL341299 O. St.John
United States, Missouri
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL412099 Davis
Ireland
USNM:PAL
Chomatodus linearis (Agassiz)
USNM PAL412130 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Chomatodus loriformis Newberry & Worthen
USNM PAL449509 O. St.John
United States, Iowa
USNM:PAL
Ctenopetalus bellulus St.John & Worthen
USNM V13211 O. St.John
United States, Iowa
USNM:PAL
Chomatodus
USNM PAL339401 O. St.John
United States, Iowa
USNM:PAL
Ctenoptychius
USNM PAL187133 D. Dunkle 1964-00-00
United States, New Mexico, Bernalillo County
USNM:PAL
Venustodus
USNM PAL341292 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Harpacodus dentatus Agassiz
USNM V15057 O. St.John
Ireland
USNM:PAL
Tanaodus pumilis St.John & Worthen
USNM V13162 O. St.John
United States, Iowa
USNM:PAL
Antliodus
USNM V14895 O. St.John 1870-00-00
United States, Iowa