USNM:PAL
Listracanthus hystrix Newberry & Worthen
USNM V14637 O. St.John 1867-08-30
United States, Iowa, Dallas County
USNM:PAL
Poecilodus tribulis (St.John & Worthen)
USNM V15035
United States, Iowa
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V14022 F. Springer
United States, Iowa
USNM:PAL
Erismacanthus mccoyanus St.John & Worthen
USNM V14259 O. St.John
United States, Missouri
USNM:PAL
Deltodopsis st ludovici St.John & Worthen
USNM V13103 O. St.John
United States, Iowa
USNM:PAL
Deltoptychius wachsmuthi St.John & Worthen
USNM V13069 A. Worthen
United States, Illinois
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V14771 A. Worthen
United States, Illinois
USNM:PAL
Chitinodus
USNM V14595 L. Cox
United States, Iowa
USNM:PAL
Chitinodus taxus
USNM V3418 L. Cox
United States, Iowa
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V3462 L. Cox
United States, Iowa
USNM:PAL
Deltoptychius wachsmuthi St.John & Worthen
USNM V16017 F. Springer 1872-00-00
United States, Iowa
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V14224 L. Cox
United States, Iowa
USNM:PAL
Cochliodus lotus (Leidy)
USNM V3420 L. Cox
United States, Iowa
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM PAL341734 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Erismacanthus mccoyanus St.John & Worthen
USNM V13538 O. St.John 1870-00-00
United States, Illinois
USNM:PAL
Sandalodus
USNM PAL339330 1871-00-00
United States, Illinois
USNM:PAL
Xystrodus simplex St.John & Worthen
USNM V13058 F. Springer
United States, Illinois
USNM:PAL
Deltodus
USNM V15637 O. St.John
United States, Illinois
USNM:PAL
Psephodus latus St.John & Worthen
USNM V13023 W. Van Horne
United States, Illinois
USNM:PAL
Cochliodus
USNM PAL341397 F. Springer
United States, Iowa
USNM:PAL
Chitinodus vaticinus (St.John & Worthen)
USNM V15044 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Psephodus obliquus St.John & Worthen
USNM V14121 C. Wachsmuth
United States, Iowa
USNM:PAL
Psephodus
USNM PAL341369 O. St.John
United States, Illinois
USNM:PAL
Deltodus
USNM V14036 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V3467 L. Cox
United States, Iowa
USNM:PAL
Platyxystrodus verus (St.John & Worthen)
USNM V15630 O. St.John
United States, Illinois
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V14156 G. Harrison
United States, Illinois
USNM:PAL
Deltodus propinquus St.John & Worthen
USNM V14037 G. Hambach
USNM:PAL
Poecilodus varsoviensis St.John & Worthen
USNM V13080 W. Van Horne
United States, Illinois
USNM:PAL
Psephodus
USNM PAL412134 O. St.John
United States, Iowa, Louisa County
USNM:PAL
Psephodus reticulatus St.John & Worthen
USNM V14180
United States, Iowa
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V3533 L. Cox
United States, Iowa
USNM:PAL
Deltoptychius acutus (M'Coy)
USNM V15050 R. Lacoe
Ireland
USNM:PAL
Deltodus
USNM PAL603800 G. Billingsley
United States, Arizona
USNM:PAL
Deltodopsis st ludovici St.John & Worthen
USNM V13013 O. St.John
United States, Iowa
USNM:PAL
Orthopleurodus nova-mexicanus St.John & Worthen
USNM V13101 Springer & St.John
United States, New Mexico
USNM:PAL
Sandalodus
USNM V14210 F. Springer
United States, Iowa
USNM:PAL
Psephodus obliquus St.John & Worthen
USNM V16122
Ireland
USNM:PAL
Deltoptychius wachsmuthi St.John & Worthen
USNM V14670 L. Cox
United States, Iowa
USNM:PAL
Deltodopsis angustus (Newberry & Worthen)
USNM PAL341749 G. Hambach
United States, Illinois
USNM:PAL
Trigonodus
USNM V14818 F. Springer 1868-00-00
United States, Illinois, Warren County
USNM:PAL
Chitinodus
USNM V15636 F. Springer
United States, Iowa
USNM:PAL
Platyxystrodus verus (St.John & Worthen)
USNM V14255 F. Springer
United States, Illinois
USNM:PAL
Cochliodus obliquus St.John & Worthen
USNM V13067 O. St.John
United States, Missouri
USNM:PAL
Gampsacanthus
USNM V14839 L. Cox
United States, Iowa
USNM:PAL
Deltoptychius wachsmuthi St.John & Worthen
USNM V16019 C. Wachsmuth
United States, Iowa, Des Moines County
USNM:PAL
Taeniodus
USNM PAL339360 O. St.John
United States, Illinois
USNM:PAL
Cochliodus van hornii St.John & Worthen
USNM V13063 W. Van Horne
United States, Iowa
USNM:PAL
Deltodus
USNM PAL341735
United States, Iowa
USNM:PAL
Deltodus
USNM PAL341751 O. St.John 1884-00-00
United States, Iowa
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V14000 F. Springer 1882-00-00
United States, Iowa
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V14002 G. Hambach
United States, Iowa
USNM:PAL
Listracanthus
USNM V14617 O. St.John 1883-09-15
United States, Kansas, Crawford County
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V13990 F. Springer
United States, Iowa
USNM:PAL
Chitinodus springeri St.John & Worthen
USNM V15064 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V3534 L. Cox
United States, Iowa
USNM:PAL
Sandalodus
USNM V3464 L. Cox
United States, Iowa
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V14005 G. Hambach
United States, Iowa
USNM:PAL
Sandalodus parvulus Newberry & Worthen
USNM V13996 F. Springer
United States, Missouri
USNM:PAL
Deltodus
USNM PAL341765 R. Lacoe
Belgium
USNM:PAL
Psephodus symmetricus St.John & Worthen
USNM V14145 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Cochliodus van hornii St.John & Worthen
USNM V13064 W. Van Horne
United States, Iowa
USNM:PAL
Aspidodus bellulus St.John & Worthen
USNM PAL457293 F. Springer
United States, Iowa
USNM:PAL
Poecilodus rugosus (Newberry & Worthen)
USNM V15060 L. Cox
United States, Iowa
USNM:PAL
Cochliodus latus Leidy
USNM V3389 L. Cox
United States, Iowa
USNM:PAL
Sandalodus
USNM V14218 F. Springer
United States, Iowa
USNM:PAL
Platyxystrodus inconditus (St.John & Worthen)
USNM V14242 F. Springer
United States, Iowa
USNM:PAL
Chitinodus springeri St.John & Worthen
USNM PAL341394 C. Wachsmuth
United States, Iowa, Jackson County
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V3479 L. Cox
United States, Iowa
USNM:PAL
Chitinodus rugosus (Newberry & Worthen)
USNM V15063 O. St.John
United States, Illinois
USNM:PAL
Deltodus
USNM V14911 C. Wachsmuth 1872-00-00
United States, Iowa
USNM:PAL
Poecilodus rugosus (Newberry & Worthen)
USNM V15059
United States, Illinois
USNM:PAL
Chitinodus
USNM PAL341399 C. Wachsmuth
United States, Iowa
USNM:PAL
Psephodus obliquus St.John & Worthen
USNM PAL412145 G. Billingsley 1984-00-00
United States, Arizona
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V14008 G. Hambach
United States, Iowa
USNM:PAL
Listracanthus hystrix Newberry & Worthen
USNM PAL337270
United States, Illinois, Vermilion County
USNM:PAL
Chitonodus springeri St.John & Worthen
USNM V12999 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Sandalodus vetustus (St.John & Worthen)
USNM V14227 G. Hambach
United States, Iowa, Marshall County
USNM:PAL
Cochliodus magnus Agassiz
USNM PAL341772
United States
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V13991 O. St.John
United States, Iowa
USNM:PAL
Chitinodus
USNM PAL341400 F. Springer
United States, Iowa
USNM:PAL
Chitonodus tribulis St.John & Worthen
USNM V13004 L. Cox
United States, Iowa
USNM:PAL
Deltodus mercurii Newberry
USNM V23134 J. Murphy 1963-00-00
United States, Wyoming, Fremont County
USNM:PAL
Chitinodus springeri St.John & Worthen
USNM V14593 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Phigeacanthus
USNM V14745 F. Springer
United States, Missouri
USNM:PAL
Sandalodus carbonarius Newberry & Worthen
USNM V16080
United States, Illinois
USNM:PAL
Deltoptychius wachsmuthi St.John & Worthen
USNM V13068 C. Wachsmuth
United States, Iowa
USNM:PAL
Sandalodus
USNM PAL339331 F. Mick
United States, Iowa
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V3476 L. Cox
United States, Iowa
USNM:PAL
Chitinodus springeri St.John & Worthen
USNM V14607 C. Wachsmuth
United States, Iowa
USNM:PAL
Cochliodus
USNM PAL341771 O. St.John 1868-00-00
United States, Iowa, Louisa County
USNM:PAL
Phigeacanthus
USNM V14759 F. Springer
United States, Illinois
USNM:PAL
Psephodus placenta (Newberry & Worthen)
USNM PAL341290 A. Worthen
United States, Iowa
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V14026 F. Springer
United States, Iowa
USNM:PAL
Sandalodus complanatus (Newberry & Worthen)
USNM V13049 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Poecilodus ornatus (Newberry & Worthen)
USNM PAL341277 O. St.John
United States, Illinois, Hancock County
USNM:PAL
Deltodus
USNM PAL235405 J. Smedley 1950-00-00
United States, Wyoming, Sublette County
USNM:PAL
Deltoptychius acutus (M'Coy)
USNM V15052 R. Lacoe
Ireland
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V13046 L. Cox
United States, Iowa
USNM:PAL
Orthopleurodus carbonarius (Newberry & Worthen)
USNM PAL341289
United States, Iowa, Mills County