USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15007 G. Hambach
United States, Illinois
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V14082 O. St.John
United States, Iowa, Monroe County
USNM:PAL
Venustodus variabilis St.John & Worthen
USNM PAL351463 St.John & Springer
United States, Iowa, Louisa County
USNM:PAL
Antliodus simplex Newberry & Worthen
USNM V14772 O. St.John
United States, Iowa
USNM:PAL
Petalodus hastingsii Owen
USNM V14602
Ireland
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14814 F. Springer
United States, Illinois
USNM:PAL
Harpacodus
USNM PAL412131 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Tanaodus sculptus St.John & Worthen
USNM V13157 O. St.John
United States, Illinois
USNM:PAL
Petalodus ohioensis Safford
USNM V14815 1877-11-23
United States, Illinois
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15006 G. Hambach
United States, Illinois
USNM:PAL
Polyrhizodus rectus Newberry
USNM V15020 G. Hambach
United States, Illinois
USNM:PAL
Antliodus
USNM PAL438689 F. Springer
United States, Illinois
USNM:PAL
Petalodus allegheniensis Leidy
USNM PAL457267 O. St.John 1876-11-11
United States, Kansas, Shawnee County
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15027 O. St.John 1873-07-14
United States, Missouri
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15024 G. Harrison 1876-00-00
United States, Illinois
USNM:PAL
Chomatodus cinctus Agassiz
USNM V14805
Ireland
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15033 G. Harrison 1876-00-00
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449049 F. Springer
United States, Missouri
USNM:PAL
Petalorhynchus
USNM PAL214859 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Polyrhizodus
USNM V15635 G. Harrison 1875-00-00
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341366
United States, Texas
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM PAL328545 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM V14841 O. St.John
United States, Kansas
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14083 O. St.John 1867-00-00
United States, Iowa, Louisa County
USNM:PAL
Polyrhizodus grandis Eastman
USNM V8103 G. Hambach
United States, Illinois
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14098 O. St.John
United States, Iowa
USNM:PAL
Janassa
USNM PAL235410 J. Smedley 1951-00-00
United States, Wyoming
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14807 O. St.John
United States, Iowa
USNM:PAL
Ctenopetalus medius St.John & Worthen
USNM PAL339377 F. Springer
United States, Illinois
USNM:PAL
Janassa unguiformis Newberry & Worthen
USNM V14231 O. St.John 1870-12-22
United States, Iowa, Monroe County
USNM:PAL
Chomatodus linnearis Agassiz
USNM V14057
Ireland
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15003 G. Hambach
United States, Illinois
USNM:PAL
Polyrhizodus rectus Newberry
USNM V15014 G. Hambach
United States, Illinois
USNM:PAL
Venustodus robustus St.John & Worthen
USNM PAL412096 F. Springer
United States, Iowa
USNM:PAL
Venustodus
USNM V14647 O. St.John 1884-00-00
United States, Iowa
USNM:PAL
Chomatodus
USNM PAL339398 F. Springer
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15005 G. Hambach
United States, Illinois
USNM:PAL
Antliodus simplex Newberry & Worthen
USNM PAL339353 O. St.John
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM PAL449263 Van Horne
United States, Illinois
USNM:PAL
Chomatodus
USNM PAL339388 Cox 1888-00-00
United States, Iowa
USNM:PAL
Polyrhizodus nanus St.John & Worthen
USNM V15026 O. St.John
United States, Iowa
USNM:PAL
Polyrhizodus
USNM PAL339383 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Polyrhizodus
USNM PAL449059 A. Worthen
United States, Illinois
USNM:PAL
Chomatodus costatus Newberry & Worthen
USNM V3550 L. Cox
United States, Iowa
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14306 F. Springer
United States, Illinois
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412136 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Ctenoptychius
USNM V14618 R. Drinkwater 1872-00-00
England
USNM:PAL
Chomatodus
USNM PAL339400 F. Springer 1872-00-00
United States, Iowa
USNM:PAL
Petalodus allegmaniensis Leidy
USNM PAL214861 W. Reed 1875-00-00
United States, Missouri
USNM:PAL
Polyrhizodus grandis Eastman
USNM V8102 G. Hambach
United States, Missouri
USNM:PAL
Janassa
USNM PAL235413 J. Smedley 1950-00-00
United States, Wyoming, Fremont County
USNM:PAL
Pristodus falcatus Davis
USNM PAL339379 E. Wood 1872-00-00
England, Yorkshire
USNM:PAL
Petalodus
USNM PAL339392 C. Allison 1975-05-25
United States, Maryland, Garrett County
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15032 O. St.John
United States, Illinois
USNM:PAL
Petalorhynchus spatulatus St.John & Worthen
USNM V13177 O. St.John
United States, Iowa
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14087 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Chomatodus
USNM PAL327587 St.John & Springer 1867-00-00
United States, Iowa
USNM:PAL
Petalodus
USNM PAL339391 Renfro
United States, Texas, Jack County
USNM:PAL
Petalorhynchus
USNM PAL339374 O. St.John
United States, Missouri
USNM:PAL
Petalorhynchus striatus Newberry & Worthen
USNM V14120 O. St.John 1875-00-00
United States, Illinois
USNM:PAL
Chomatodus incrassatus St.John & Worthen
USNM V13215 O. St.John
United States, Iowa, Monroe County
USNM:PAL
Petalodus ohioensis Safford
USNM PAL243756
United States, Texas, Brewster County
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341362
United States, Missouri
USNM:PAL
Chomatodus comptus St.John & Worthen
USNM V14830 G. Hambach
United States, Iowa, Marshall County
USNM:PAL
Chomatodus cinctus Agassiz
USNM V14072
Belgium
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412140 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Peltodus transversus St.John & Worthen
USNM V16028
United States, Illinois, Macoupin County
USNM:PAL
Tanaodus sculptus St.John & Worthen
USNM V13158 O. St.John
United States, Iowa
USNM:PAL
Antliodus sarcululus Newberry & Worthen
USNM V14162 O. St.John
United States, Iowa
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL412101 Davis
Ireland
USNM:PAL
Chomatodus
USNM PAL339395 F. Springer
United States, Iowa
USNM:PAL
Petalodus
USNM V16124
Ireland
USNM:PAL
Petalorhynchus
USNM PAL339370 O. St.John
United States, Iowa
USNM:PAL
Chomatodus acutinsculus St.John & Worthen
USNM V14067 O. St.John
United States, Iowa, Washington County
USNM:PAL
Antliodus
USNM PAL339356 O. St.John 1875-00-00
United States, Illinois
USNM:PAL
Venustodus tenuicristatus St.John & Worthen
USNM PAL351462 O. St.John
United States, Iowa
USNM:PAL
Petalodus ohioensis Safford
USNM V14308 F. Springer 1870-00-00
United States, Iowa, Harrison County
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15002 G. Hambach
United States, Illinois
USNM:PAL
Venustodus robustus St.John & Worthen
USNM V13198 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Venustodus tenuicristatus St.John & Worthen
USNM V13208 O. St.John
United States, Iowa
USNM:PAL
Antliodus
USNM V14632 F. Springer 1870-00-00
United States, Iowa
USNM:PAL
Antliodus
USNM PAL339338 F. Springer
United States, Iowa
USNM:PAL
Petalorhynchus
USNM PAL339369 F. Springer
United States, Iowa
USNM:PAL
Venustodus
USNM PAL412132 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449047 F. Springer
United States, Kansas
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412127 O. St.John 1868-00-00
United States, Iowa, Louisa County
USNM:PAL
Polyrhizodus porosus Newberry & Worthen
USNM V14526 O. St.John
United States, Iowa
USNM:PAL
Antliodus minutus Newberry & Worthen
USNM PAL339351 F. Springer 1872-00-00
United States, Iowa
USNM:PAL
Tanaodus pumilis St.John & Worthen
USNM V13163 O. St.John
United States, Iowa
USNM:PAL
Petalodus ohioensis Safford
USNM V315 D. Harrah
United States, Nebraska
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13182
United States, Iowa
USNM:PAL
Venustodus variabilis St.John & Worthen
USNM V13202 Springer & St.John
United States, Iowa, Louisa County
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412137 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL412102 Davis
Ireland
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15034 F. Springer
United States, Missouri
USNM:PAL
Petalorhynchus spatulatus St.John & Worthen
USNM V14236 W. McAdams 1883-00-00
United States, Illinois
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14095 O. St.John
United States, Missouri
USNM:PAL
Petalodus ohioensis Safford
USNM V4156
United States, Texas, Young County
USNM:PAL
Polyrhizodus
USNM V14660 G. Hambach
United States
USNM:PAL
Petalodus destructor Newberry & Worthen
USNM V10788
United States, Nebraska