USNM:PAL
Stemmatodus bicristatus St.John & Worthen
USNM V13142 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Xenacanthus ossiani
USNM PAL542531 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Xenacanthus
USNM V14907 O. St.John 1876-07-02
United States, Kansas, Shawnee County
USNM:PAL
Thrinacodus
USNM V14628 W. Van Horne
United States, Illinois
USNM:PAL
Genus
USNM PAL528188
United States, Texas, Baylor County
USNM:PAL
Xenacanthus gracilis (Newberry)
USNM V4456
United States, Ohio, Jefferson County
USNM:PAL
Orthacanthus compressus (Newberry)
USNM PAL453064 Hook 1985-00-00
United States, Ohio, Jefferson County
USNM:PAL
Genus
USNM PAL407679 1980-04-25
United States, Texas, Archer County
USNM:PAL
Thrinacodus
USNM V14633 W. Van Horne
United States, Illinois
USNM:PAL
Xenacanthus
USNM V4307 R. Lacoe 1899-00-00
United States, Illinois, Grundy County
USNM:PAL
Xenacanthus
USNM PAL328568 O. St.John
United States, Iowa, Des Moines County
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V4152 A. Sant 1898-00-00
United States, Texas, Young County
USNM:PAL
Orthacanthus compressus (Newberry)
USNM PAL542532 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Xenacanthus
USNM V14896 O. St.John
United States, Iowa, Bentonsport
USNM:PAL
Genus
USNM PAL409592 1983-04-15
United States, Texas, Baylor County
USNM:PAL
Xenacanthus gibbosus (Agassiz)
USNM V15132
England
USNM:PAL
Genus
USNM PAL409597 NONE 1983-04-02
United States, Texas, Baylor County
USNM:PAL
Genus
USNM PAL409736 1976-11-01
United States, Texas, Archer County
USNM:PAL
Genus
USNM PAL409596 1983-04-00
United States, Texas, Baylor County
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V4515 R. Lacoe
United States, Ohio, Jefferson County
USNM:PAL
Genus
USNM PAL406367 1983-04-15
United States, Texas, Baylor County
USNM:PAL
Xenacanthus
USNM V16431
United States, Ohio, Jefferson County
USNM:PAL
Xenacanthus gracilis (Newberry)
USNM V16427
United States, Ohio, Jefferson County
USNM:PAL
Xenacanthus incurvus (Newberry & Worthen)
USNM V14909 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus moorei
USNM PAL327174
United States, Texas, Crosby County
USNM:PAL
Xenacanthus latus (Newberry)
USNM V14247 F. Springer
United States, Iowa, Pottawattamie County
USNM:PAL
Stemmatodus cheiriformis St.John & Worthen
USNM V15041 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus
USNM V14908 F. Springer
United States, Iowa
USNM:PAL
Xenacanthus
USNM PAL358011 E. Kennedy 1884-00-00
United States, Wyoming, Albany County
USNM:PAL
Genus
USNM PAL312265
United States, North Carolina, Beaufort County
USNM:PAL
Orthacanthus compressus (Newberry)
USNM PAL453063 Hook 1985-00-00
United States, Ohio, Jefferson County
USNM:PAL
Diplodus
USNM PAL457214
United States, Illinois
USNM:PAL
Xenacanthus ossiani
USNM PAL542547 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Xenacanthus latus (Newberry)
USNM V16492
United States, Ohio, Jefferson County
USNM:PAL
Dittodus lucasi Hay
USNM V4338 R. Lacoe
United States, Illinois, Grundy County
USNM:PAL
Stemmatodus simplex St.John & Worthen
USNM V13146 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Xenacanthus
USNM PAL338807 O. St.John
United States, Indiana, Posey County
USNM:PAL
Xenacanthus
USNM V15121
Czechoslovakia, Bohemia
USNM:PAL
Xenacanthus
USNM PAL617468
United States, Texas, Archer County
USNM:PAL
Xenacanthus
USNM PAL244473 A. Lewis 1976-00-00
United States, Texas
USNM:PAL
Xenacanthus
USNM PAL338808 R. Lacoe
United States, Pennsylvania
USNM:PAL
Triodus
USNM PAL542530 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Orthacanthus compressus (Newberry)
USNM PAL542548 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Stemmatodus bicristatus St.John & Worthen
USNM V15040 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus
USNM PAL618355
United States, Texas, Baylor County
USNM:PAL
Stemmatodus simplex St.John & Worthen
USNM V14629 W. Van Horne
United States, Iowa
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V16414
United States, Ohio, Jefferson County
USNM:PAL
Genus
USNM PAL406359 1982-05-20
United States, Texas, Baylor County
USNM:PAL
Orthacanthus
USNM V15122 K.K.Naturhistor Hofmuseum
Czechoslovakia, Bohemia
USNM:PAL
Stemmatodus bicristatus St.John & Worthen
USNM V15037 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus
USNM V4139
England, Lancashire
USNM:PAL
Xenacanthus
USNM V4534 R. Lacoe
United States, Ohio, Jefferson County
USNM:PAL
Stemmatodus cheiriformis St.John & Worthen
USNM V13143 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Xenacanthus
USNM V4547 R. Lacoe
United States, Pennsylvania
USNM:PAL
Xenacanthus
USNM V15124
Czechoslovakia, Bohemia
USNM:PAL
Xenacanthus
USNM PAL617517
USNM:PAL
Xenacanthus
USNM V14902 O. St.John 1876-06-20
United States, Kansas, Shawnee County
USNM:PAL
Genus
USNM PAL617003 1988-04-10
United States, Texas, Archer County
USNM:PAL
Genus
USNM PAL409715 1979-04-04
United States, Texas, Baylor County
USNM:PAL
Stemmatodus symmetricus St.John & Worthen
USNM V15039 O. St.John 1868-00-00
United States, Iowa
USNM:PAL
Stemmatodus simplex St.John & Worthen
USNM V15045 C. Wachsmuth
United States, Iowa
USNM:PAL
Stemmatodus bifurcatus St.John & Worthen
USNM V15042 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus
USNM V8341 1915-00-00
United States, New York, Erie County
USNM:PAL
Thrinacodus
USNM V14614 W. Van Horne
United States, Iowa
USNM:PAL
Xenacanthus
USNM PAL618354
United States, Texas, Baylor County
USNM:PAL
Stemmatodus simplex St.John & Worthen
USNM V13145 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V4508 R. Lacoe
United States, Ohio, Jefferson County
USNM:PAL
Xenacanthus
USNM V14906
United States, Iowa, Guthrie County
USNM:PAL
Xenacanthus biserialis (Newberry)
USNM V16422
United States, Ohio, Jefferson County
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V10789 F. Hayden 1872-00-00
United States, Nebraska
USNM:PAL
Genus
USNM PAL406297 1982-04-21
United States, Texas, Baylor County
USNM:PAL
Genus
USNM PAL409738 1976-10-20
United States, Texas, Archer County
USNM:PAL
Xenacanthus
USNM V15119
Czechoslovakia, Bohemia
USNM:PAL
Stemmatodus
USNM V14627 O. St.John
United States, Iowa
USNM:PAL
Stemmatodus cheiriformis St.John & Worthen
USNM V13144 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Xenacanthus incurvus (Newberry & Worthen)
USNM V14897 O. St.John
United States, Iowa
USNM:PAL
Thrinacodus
USNM PAL327586 St.John & Springer 1867-00-00
United States, Iowa
USNM:PAL
Thrinacodus nanus St.John & Worthen
USNM V23790 F. Poole 1965-00-00
United States, Nevada, Nye County
USNM:PAL
Thrinacodus
USNM V14622 W. Van Horne
United States, Iowa
USNM:PAL
Genus
USNM PAL407871 1976-10-24
United States, Texas, Archer County
USNM:PAL
Xenacanthus texensis (Cope)
USNM PAL281645
USNM:PAL
Genus
USNM PAL406352 1982-05-16
United States, Texas, Baylor County
USNM:PAL
Genus
USNM PAL409728 1976-10-17
United States, Texas, Archer County
USNM:PAL
Thrinacodus duplicatus (Newberry & Worthen)
USNM V15622 O. St.John
United States, Iowa
USNM:PAL
Xenacanthus
USNM V15120
Czechoslovakia, Bohemia
USNM:PAL
Genus
USNM PAL407829 1981-05-03
United States, Texas, Archer County
USNM:PAL
Xenacanthus
USNM PAL330008 Wegemann Et Al 1913-09-20
United States, Oklahoma
USNM:PAL
Xenacanthus
USNM PAL328877
England
USNM:PAL
Genus
USNM PAL407828 1979-05-01
United States, Texas, Archer County
USNM:PAL
Pleuracanthus
USNM V15487
Czechoslovakia, Bohemia
USNM:PAL
Xenacanthus priscus (Eastman)
USNM V8343
United States, New York, Erie County
USNM:PAL
Triodus
USNM PAL542546 2009-01-26
United States, Illinois, Wabash County
USNM:PAL
Genus
USNM PAL606950 F. Grady & C. Baker 2006-05-13
United States, West Virginia, Monroe County
USNM:PAL
Genus
USNM PAL409718 NONE 1976-00-00
United States, Texas, Baylor County
USNM:PAL
Xenacanthus
USNM V4144
England
USNM:PAL
Xenacanthus compressus (Newberry)
USNM V4507 R. Lacoe
United States, Ohio, Jefferson County
USNM:PAL
Stemmatodus compactus St.John & Worthen
USNM V15043 O. St.John 1870-00-00
United States, Illinois
USNM:PAL
Xenacanthus
USNM PAL244472 A. Lewis 1976-00-00
United States, Texas