USNM:PAL
Antliodus
USNM PAL339336 F. Springer
United States, Iowa
USNM:PAL
Petalorhynchus pseudosagittatus St.John & Worthen
USNM V13178 O. St.John
United States, Iowa
USNM:PAL
Antliodus simplex Newberry & Worthen
USNM V14146 O. St.John
United States, Iowa
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14305 F. Springer
United States, Illinois
USNM:PAL
Antliodus
USNM V14650
United States, Iowa
USNM:PAL
Ctenoptychius pertenuis St.John & Worthen
USNM V13210 O. St.John
United States, Illinois
USNM:PAL
Antliodus
USNM PAL214858
United States, Tennessee, Franklin County
USNM:PAL
Venustodus
USNM PAL341294 O. St.John
United States, Missouri
USNM:PAL
Petalorhynchus distortus St.John & Worthen
USNM V13179 O. St.John
United States, Iowa
USNM:PAL
Peltodus
USNM PAL339366
United States, Illinois
USNM:PAL
Venustodus robustus St.John & Worthen
USNM V13197 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Petalorhynchus angulatus St.John & Worthen
USNM V14234 Van Horne
United States, Missouri
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM V14159 O. St.John 1871-02-10
United States, Iowa
USNM:PAL
Venustodus fortis (St.John & Worthen)
USNM PAL339309 O. St.John
United States, Iowa
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341363
United States, Iowa
USNM:PAL
Polyrhizodus lobatus Newberry & Worthen
USNM V15019 G. Hambach
United States, Illinois
USNM:PAL
Polyrhizodus rectus Newberry
USNM V15021 G. Hambach
United States, Illinois
USNM:PAL
Polyrhizodus porosus Newberry & Worthen
USNM PAL339386 F. Springer
United States, Iowa
USNM:PAL
Tanaeodus
USNM PAL339358 F. Springer
United States, Iowa
USNM:PAL
Polyrhizodus littoni Newberry & Worthen
USNM V13548
United States, Missouri
USNM:PAL
Venustodus
USNM PAL341297 O. St.John 1870-00-00
United States, Illinois
USNM:PAL
Chomatodus arcuatus (St.John)
USNM V14768 O. St.John 1867-00-00
United States, Nebraska
USNM:PAL
Polyrhizodus williamsi St.John & Worthen
USNM V15025 O. St.John
United States, Iowa
USNM:PAL
Petalodus
USNM PAL214862
United States, Colorado
USNM:PAL
Venustodus variabilis St.John & Worthen
USNM V16011 C. Wachsmuth
United States, Iowa
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL339347 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14631 E. Wood 1872-00-00
England, Yorkshire
USNM:PAL
Antliodus
USNM PAL339335
United States, Iowa
USNM:PAL
Petalorhynchus striatus Newberry & Worthen
USNM V14182 F. Springer
United States, Iowa
USNM:PAL
Dactylodus
USNM PAL457224 Cox
United States, Missouri
USNM:PAL
Petalodus ohioensis Safford
USNM V14816 1877-11-23
United States, Illinois
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM PAL279445
USNM:PAL
Antliodus similis Newberry & Worthen
USNM PAL369925 L. Cox
United States, Iowa
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL412100 Davis
Ireland
USNM:PAL
Venustodus
USNM V14646 F. Springer
United States, Iowa
USNM:PAL
Petalorhynchus psittacinus Agassiz
USNM V14235
Ireland
USNM:PAL
Fissodus
USNM V14598 O. St.John
United States, Illinois
USNM:PAL
Antliodus
USNM V14770 O. St.John
United States, Iowa
USNM:PAL
Antliodus minutus Newberry & Worthen
USNM PAL412104 Davis
Ireland
USNM:PAL
Petalodus curtus Newberry & Worthen
USNM V13191 O. St.John 1869-00-00
United States, Iowa
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL341364
United States, Missouri
USNM:PAL
Venustodus
USNM V14644 W. Van Horne
United States, Iowa
USNM:PAL
Petalorhynchus striatus Newberry & Worthen
USNM PAL339373 O. St.John
United States, Iowa
USNM:PAL
Polyrhizodus
USNM V14520 Van Horne
United States, Iowa
USNM:PAL
Venustodus variabilis St.John & Worthen
USNM V13201 Springer & St.John
United States, Iowa, Louisa County
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13183
United States, Iowa
USNM:PAL
Petalodus ohioensis Safford
USNM V14063 F. Hayden 1871-00-00
United States, Nebraska
USNM:PAL
Antliodus
USNM PAL339340 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Venustodus
USNM V14645 O. St.John 1879-07-00
United States, New Mexico
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM V14842 O. St.John
United States, Kansas
USNM:PAL
Chomatodus arcuatus (St.John)
USNM V14097 O. St.John
United States, Illinois
USNM:PAL
Chomatodus parallelus St.John & Worthen
USNM V14076 O. St.John 1870-00-00
United States, Illinois
USNM:PAL
Venustodus
USNM PAL341300 O. St.John
United States, Missouri
USNM:PAL
Antliodus
USNM V14649 F. Springer 1881-00-00
United States, Illinois
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15017 G. Hambach
United States, Illinois
USNM:PAL
Petalodus ohioensis Safford
USNM V9618
United States, Missouri
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449045 O. St.John 1875-00-00
United States, Kansas, Shawnee County
USNM:PAL
Polyrhizodus
USNM V14662 G. Hambach
United States
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449051 E. Butts
United States, Missouri
USNM:PAL
Venustodus
USNM PAL341291
United States, Iowa
USNM:PAL
Petalodus
USNM PAL339389 Renfro
United States, Texas, Jack County
USNM:PAL
Petalorhynchus turgidus St.John & Worthen
USNM V14893 O. St.John
United States, Iowa, Monroe County
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM V14849 O. St.John
United States, Kansas
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM V14767 O. St.John
United States, Iowa
USNM:PAL
Antliodus
USNM PAL339341 F. Springer
United States, Iowa
USNM:PAL
Chomatodus loriformis Newberry & Worthen
USNM V14092 O. St.John 1871-02-22
United States, Illinois
USNM:PAL
Chomatodus arcuatus (St.John)
USNM V14065 O. St.John 1876-12-07
United States, Kansas, Pottawatomie County
USNM:PAL
Polyrhizodus imitatus Newberry & Worthen
USNM V15028
United States, Illinois
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14089 O. St.John 1869-00-00
United States, Illinois
USNM:PAL
Chomatodus affinis Newberry & Worthen
USNM V3542 L. Cox
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15031 O. St.John
United States, Missouri
USNM:PAL
Antliodus
USNM PAL214860 F. Springer
United States, Tennessee, Hamblen County
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13189
United States, Iowa
USNM:PAL
Venustodus venustus (Leidy)
USNM V16012 O. St.John 1882-00-00
United States, Missouri
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13186
United States, Iowa
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V14081 O. St.John 1871-11-13
United States, Illinois
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM V4296
United States, Nebraska
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412128 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Petalorhynchus
USNM PAL339375 O. St.John
United States, Missouri
USNM:PAL
Tanaeodus
USNM PAL339362 F. Springer
United States, Iowa
USNM:PAL
Polyrhizodus princeps Newberry & Worthen
USNM V15029 F. Springer 1870-09-04
United States, Illinois
USNM:PAL
Petalodus ohioensis Safford
USNM V14311 S. Mason 1883-00-00
United States, Kansas
USNM:PAL
Venustodus
USNM V14642 O. St.John
United States, Missouri
USNM:PAL
Chomatodus
USNM V14077 Cox 1888-00-00
United States, Iowa
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449050 F. Springer 1883-01-03
United States, Missouri
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V13187
United States, Iowa
USNM:PAL
Petalodus acuminatus (St.John & Worthen)
USNM V14310 E. Wood 1871-00-00
England, Yorkshire
USNM:PAL
Janassa unguiformis Newberry & Worthen
USNM V14232 E. Case 1912-11-08
United States, Oklahoma
USNM:PAL
Ctenopetalus occidentalis St.John & Worthen
USNM PAL391992 O. St.John 1867-00-00
United States, Iowa
USNM:PAL
Antliodus parvulus Newberry & Worthen
USNM PAL412139 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Ctenopetalus occidentalis St.John & Worthen
USNM PAL391991 O. St.John
United States, Iowa
USNM:PAL
Chomatodus gracillimus Newberry & Worthen
USNM V14064 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Antliodus sarcululus Newberry & Worthen
USNM PAL339350 F. Springer
United States, Iowa
USNM:PAL
Petalodus ohioensis Safford
USNM PAL244454 R. Morris 1974-04-00
United States, Ohio, Guernsey County
USNM:PAL
Petalodus ohioensis Safford
USNM V14656 1881-00-00
United States, New Mexico
USNM:PAL
Ctenopetalus serratus Davis
USNM PAL391989 O. St.John
Ireland
USNM:PAL
Polyrhizodus porosus Newberry & Worthen
USNM V14523 O. St.John 1875-00-00
United States, Illinois
USNM:PAL
Petalodus
USNM PAL214857 St.John & Button 1877-11-23
United States, Illinois
USNM:PAL
Pristodus acuminatus St.John & Worthen
USNM V13213 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Polyrhizodus porosus Newberry & Worthen
USNM PAL339387 F. Springer
United States, Iowa