USNM:PAL
Microdoma sp a var. 4
USNM PAL382653 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Eutrochocrinus christyi (Shumard)
USNM S829
United States, Iowa
USNM:PAL
Genus
USNM PAL489742 A. Priest
United States, Iowa
USNM:PAL
Dorycrinus
USNM S8827
United States, Iowa, Des Moines County
USNM:PAL
Tetradella ulrichi Kay
USNM PAL453278
United States, Iowa, Winneshiek County, Sec 6, Glenwood Tnshp, 43.2907 -91.8437
USNM:PAL
Helodus politus Newberry & Worthen
USNM PAL339318
United States, Iowa
USNM:PAL
Venustodus
USNM PAL457219 F. Springer
United States, Iowa
USNM:PAL
Ctenacanthus
USNM V4884 L. Cox
United States, Iowa
USNM:PAL
undetermined
Collector Unknown
United States, Iowa
USNM:PAL
undetermined
E. Kindle 1906-10-09
United States, Iowa, Fayette County
USNM:PAL
Eretmocrinus
USNM S761
United States, Iowa, Des Moines County
USNM:PAL
Buxtonia sp a Carter
USNM PAL176812
United States, Iowa, Pocahontas County
USNM:PAL
Lepidodendron
USNM PAL414097
United States, Iowa, Marion County
USNM:PAL
Chomatodus curtus (St.John & Worthen)
USNM V14071
United States, Iowa
USNM:PAL
Agaricocrinus brevis (Hall)
USNM S8529
United States, Iowa, Des Moines County
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220628
United States, Iowa
USNM:PAL
undetermined
A. Gerk
United States, Iowa, Allamakee County
USNM:PAL
Rhodocrinites barrisi (Hall)
USNM S7888
United States, Iowa
USNM:PAL
Orodus
USNM V14546 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Teleiocrinus
USNM S7867
United States, Iowa, Des Moines County
USNM:PAL
undetermined
Cooper & Phelan 1966-05-17
United States, Iowa, Cerro Gordo County
USNM:PAL
Strimplecrinus plicatus (Hall)
USNM S5941
United States, Iowa
USNM:PAL
Murchisonia (Murchisonia) sp b
USNM PAL382663 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Teleiocrinus liratus (Hall)
USNM S7812
United States, Iowa
USNM:PAL
Cryptoblastus melo (Owen & Shumard)
USNM S7010
United States, Iowa, Des Moines County
USNM:PAL
Cochliodus nobilis Newberry & Worthen
USNM V15641 F. Springer 1872-00-00
United States, Iowa
USNM:PAL
Orodus
USNM PAL328594 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Cyathocrinites iowensis (Owen & Shumard)
USNM S8894
United States, Iowa
USNM:PAL
Dorycrinus unicornis (Owen & Shumard)
USNM PAL41132
United States, Iowa, Des Moines County
USNM:PAL
Deltoptychius
USNM PAL341266 O. St.John
United States, Iowa
USNM:PAL
Deltodus spatulatus Newberry & Worthen
USNM V3535 L. Cox
United States, Iowa
USNM:PAL
Physetocrinus ventricosus (Hall)
USNM S5652
United States, Iowa, Des Moines County
USNM:PAL
Schizoblastus sayi (Shumard)
USNM S5331
United States, Iowa, Des Moines County
USNM:PAL
Ctenacanthus keokuk St.John & Worthen
USNM V14714 F. Springer
United States, Iowa
USNM:PAL
Strotocrinus perumbrosus (Hall)
USNM S8028
United States, Iowa, Des Moines County
USNM:PAL
Teleiocrinus
USNM S4626 C. White
United States, Iowa, Des Moines County
USNM:PAL
Cladodus wachsmuthi St.John & Worthen
USNM PAL327665 F. Springer
United States, Iowa
USNM:PAL
undetermined
C. Levorson 1965-06-12
United States, Iowa, Floyd County
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S5524
United States, Iowa, Des Moines County
USNM:PAL
Physonemus carinatus St.John & Worthen
USNM PAL337274 F. Springer 1872-00-00
United States, Iowa, Des Moines County
USNM:PAL
Loxonema dificile Stardeson
USNM PAL382642 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Petalorhynchus striatus Newberry & Worthen
USNM PAL412144 F. Springer
United States, Iowa
USNM:PAL
Cactocrinus proboscidialis (Hall)
USNM S5601
United States, Iowa
USNM:PAL
undetermined
D. White 1906-09-25
United States, Iowa
USNM:PAL
Cusacrinus tuberculosus (Wachsmuth & Springer)
USNM S7801
United States, Iowa, Des Moines County
USNM:PAL
Polytrichum sayi (Shumard)
USNM PAL37708
United States, Iowa
USNM:PAL
Rhodocrinites kirbyi (Wachsmuth & Springer)
USNM S7185
United States, Iowa, Marshall County
USNM:PAL
Luciella sp a var. 3
USNM PAL382646 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Gilbertsocrinus
USNM S7652
United States, Iowa
USNM:PAL
Dorycrinus unicornis (Owen & Shumard)
USNM S8813
United States, Iowa, Des Moines County
USNM:PAL
Primitia
USNM PAL41420
United States, Iowa, Marshall County, Le Grande, 42.0358 -92.9988
USNM:PAL
Quasillites beachi Gibson
USNM PAL123122 Gibson
United States, Iowa, Floyd County, Rockford; a clay pit of the Rockford Brick and Tile Company, 43.0528 -92.9492
USNM:PAL
Abatocrinus aequalis (Hall)
USNM PAL771
United States, Iowa, Des Moines County
USNM:PAL
Uperocrinus pyriformis Shumard
USNM PAL351829
United States, Iowa
USNM:PAL
Probolaeum pentagonus (Hall)
USNM S7676 C. Wachsmuth
United States, Iowa, Des Moines County
USNM:PAL
Opikatia emaciata Kay
USNM PAL453265
United States, Iowa, Winneshiek County, Sec 13, Glenwood Tnshp, 43.2907 -91.8437
USNM:PAL
Rhodocrinites kirbyi (Wachsmuth & Springer)
USNM S7181
United States, Iowa, Marshall County
USNM:PAL
Orthograptus amplexicaulis peosta Riva
USNM PAL241682
United States, Iowa
USNM:PAL
Venustodus robustus St.John & Worthen
USNM PAL412097 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Cladodus stenopus Newberry & Worthen
USNM V14113 O. St.John
United States, Iowa
USNM:PAL
Dorycrinus quinquelobus Hall
USNM S8802
United States, Iowa, Des Moines County
USNM:PAL
undetermined
C. Levorson
United States, Iowa, Floyd County
USNM:PAL
undetermined
G. Cooper
United States, Iowa, Linn County
USNM:PAL
Batocrinus mundulus (Hall)
USNM S4196
United States, Iowa, Lee County
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S5569
United States, Iowa
USNM:PAL
undetermined
J. James 1889-00-00
United States, Iowa, Dubuque County
USNM:PAL
Pentremites elongatus Shumard
USNM PAL160670
United States, Iowa
USNM:PAL
undetermined
Collector Unknown
United States, Iowa
USNM:PAL
Stegocoelia (Stegocoelia) sp a
USNM PAL382707 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Cactocrinus proboscidialis (Hall)
USNM S5641
United States, Iowa
USNM:PAL
Pentremites elongatus Shumard
USNM S5271
United States, Iowa
USNM:PAL
Schizoblastus sayi (Shumard)
USNM S5469
United States, Iowa
USNM:PAL
Mesodmodus ornatus St.John & Worthen
USNM V14124 O. St.John
United States, Iowa
USNM:PAL
Atelodictyon masoncityense Stock
USNM PAL307162
United States, Iowa, Floyd County
USNM:PAL
Agaricocrinus fiscellus (Hall)
USNM PAL496680 E. Kirk
United States, Iowa, Des Moines County
USNM:PAL
Youngiella Gibson
USNM PAL123132 Gibson
United States, Iowa, Floyd County, Rockford; a clay pit of the Rockford Brick and Tile Company, 43.0528 -92.9492
USNM:PAL
Winchellatia lansingensis Kay
USNM PAL453284
United States, Iowa, Allamakee County, Church, Just Ne Of, 43.2843 -91.3781
USNM:PAL
Lophoblastus neglectus (Meek & Worthen)
USNM S6155
United States, Iowa
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220624
United States, Iowa
USNM:PAL
Deltoptychius planus St.John & Worthen
USNM V16005 C. Wachsmuth
United States, Iowa
USNM:PAL
undetermined
C. Stauffer
United States, Iowa, Mitchell County
USNM:PAL
Chomatodus inconstans St.John & Worthen
USNM V14078 O. St.John
United States, Iowa
USNM:PAL
Cryptoblastus melo (Owen & Shumard)
USNM S6970
United States, Iowa
USNM:PAL
Metablastus lineatus (Shumard)
USNM S6889 G. Hambach
United States, Iowa
USNM:PAL
Costalocrinus cornutus (Owen & Shumard)
USNM S5815
United States, Iowa, Des Moines County
USNM:PAL
Cactocrinus proboscidialis (Hall)
USNM S5662
United States, Iowa, Des Moines County
USNM:PAL
Uperocrinus asteriscus Meek & Worthen
USNM S8434
United States, Iowa, Des Moines County
USNM:PAL
Orodus parallelus St.John & Worthen
USNM V13153 O. St.John
United States, Iowa, Washington County
USNM:PAL
Amphipora pervesiculata Lecompte
USNM PAL307158
United States, Iowa, Floyd County
USNM:PAL
Pentremites elongatus Shumard
USNM S5266
United States, Iowa
USNM:PAL
Cryptoblastus melo (Owen & Shumard)
USNM S6965
United States, Iowa, Des Moines County
USNM:PAL
Chomatodus
USNM V14810 F. Springer
United States, Iowa
USNM:PAL
Sandalodus
USNM V3482 L. Cox
United States, Iowa
USNM:PAL
Ctenacanthus lucasi Eastman
USNM V4686 L. Cox
United States, Iowa, Marshall County
USNM:PAL
Physetocrinus ventricosus (Hall)
USNM S5633
United States, Iowa, Des Moines County
USNM:PAL
Chomatodus pusillus Newberry & Worthen
USNM V14088 O. St.John
United States, Iowa
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S5551
United States, Iowa
USNM:PAL
Deltodus intermedius St.John & Worthen
USNM V13092 O. St.John
United States, Iowa
USNM:PAL
Psephodus regularis (St.John & Worthen)
USNM V14861 R. Bassler
United States, Iowa
USNM:PAL
Hemizyga (Hypantozyga)
USNM PAL382638 A. Gerk
United States, Iowa, Humboldt County