USNM:PAL
Stemmatodus bicristatus St.John & Worthen
USNM V13142 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Orphocrinus stelliformis (Owen & Shumard)
USNM S8198
United States, Iowa
USNM:PAL
Chitonodus tribulis St.John & Worthen
USNM V13005 O. St.John
United States, Iowa
USNM:PAL
Microdoma sp a
USNM PAL419308 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Cactocrinus proboscidialis (Hall)
USNM S5626
United States, Iowa, Des Moines County
USNM:PAL
undetermined
Collector Unknown
United States, Iowa, Fayette County
USNM:PAL
Globoblastus norwoodi (Owen & Shumard)
USNM S6715
United States, Iowa
USNM:PAL
Cryptoblastus melo (Owen & Shumard)
USNM S6957
United States, Iowa, Des Moines County
USNM:PAL
Eretmocrinus calyculoides (Hall)
USNM PAL496600 E. Kirk
United States, Iowa, Des Moines County
USNM:PAL
Acondylacanthus gracilis St.John & Worthen
USNM V4876 L. Cox
United States, Iowa, Marshall County
USNM:PAL
Macrocrinus verneuilianus (Shumard)
USNM PAL41125 I. Harris
United States, Iowa, Des Moines County
USNM:PAL
Cusacrinus tenuisculptus (McChesney)
USNM PAL486847
United States, Iowa, Des Moines County
USNM:PAL
Actinocrinites lowei Hall
USNM S8691
United States, Iowa
USNM:PAL
Physetocrinus ventricosus (Hall)
USNM S9989
United States, Iowa
USNM:PAL
Decemoblastus melonoides (Owen & Shumard)
USNM PAL481413 E. Kirk
United States, Iowa
USNM:PAL
Petrodus acutus (Newberry & Worthen)
USNM V14859 R. Bassler
United States, Iowa
USNM:PAL
Cladodus intercostatus St.John & Worthen
USNM V14110 O. St.John 1869-00-00
United States, Iowa
USNM:PAL
Cusacrinus nodobrachiatus (Wachsmuth & Springer)
USNM PAL486846 C. Guthrie
United States, Iowa
USNM:PAL
Cactocrinus nodobrachiatus (Wachsmuth & Springer)
USNM S6094
United States, Iowa, Marshall County
USNM:PAL
Helodus coniculus Newberry & Worthen
USNM V15654 Love
United States, Iowa
USNM:PAL
Orodus decussatus St.John & Worthen
USNM V13127 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Aorocrinus parvus (Shumard)
USNM PAL37595
United States, Iowa, Des Moines County
USNM:PAL
Petrodus
USNM V14638 O. St.John
United States, Iowa, Dallas County
USNM:PAL
Ctenacanthus spectabilis St.John & Worthen
USNM V13519 E. Whipple
United States, Iowa, Marshall County
USNM:PAL
Granatocrinus shumardi Meek & Worthen
USNM PAL455896
United States, Iowa
USNM:PAL
Stegocoelia (Hypergonia) sp c var. d
USNM PAL382706 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Pentremites elongatus Shumard
USNM PAL160675
United States, Iowa
USNM:PAL
undetermined
I. Sohn 5/18/11/52 1952-05-18
United States, Iowa, Des Moines County
USNM:PAL
Sarocrinus asperatus (Worthen)
USNM S6127 230
United States, Iowa
USNM:PAL
undetermined
Cooper & Phelan 1966-05-12
United States, Iowa, Johnson County
USNM:PAL
Polytrichum sayi (Shumard)
USNM S5331
United States, Iowa, Des Moines County
USNM:PAL
Abatocrinus laura (Hall)
USNM S8159
United States, Iowa, Des Moines County
USNM:PAL
Sandalodus occidentalis (Leidy)
USNM V14004 G. Hambach
United States, Iowa
USNM:PAL
undetermined
Cooper & Phelan 1968-07-31
United States, Iowa, Benton County
USNM:PAL
undetermined
Collector Unknown
United States, Iowa
USNM:PAL
Deltodus complanatus Newberry & Worthen
USNM V15648 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Orophocrinus stelliformis (Owen & Shumard)
USNM S6745
United States, Iowa
USNM:PAL
Buxtonia sp a Carter
USNM PAL176811
United States, Iowa, Pocahontas County
USNM:PAL
Orodus minutus Newberry & Worthen
USNM V15071 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Cladodus splendens Newberry
USNM V14705 G. Hambach
United States, Iowa, Marshall County
USNM:PAL
Agaricocrinus iowensis Miller & Gurley
USNM S1075
United States, Iowa
USNM:PAL
Decemoblastus melonoides Meek & Worthen
USNM S5369C
United States, Iowa
USNM:PAL
Abatocrinus laura (Hall)
USNM S8168
United States, Iowa, Des Moines County
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S7840
United States, Iowa, Des Moines County
USNM:PAL
Uperocrinus subtractus (White)
USNM S8508
United States, Iowa, Des Moines County
USNM:PAL
Gilbertsocrinus typus (Hall)
USNM S7334
United States, Iowa
USNM:PAL
Xystrodus
USNM PAL341372 O. St.John
United States, Iowa, Louisa County
USNM:PAL
undetermined
Cooper & Phelan 1966-05-17
United States, Iowa, Cerro Gordo County
USNM:PAL
Actinocrinites
USNM S7624
United States, Iowa, Des Moines County
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S7822
United States, Iowa, Des Moines County
USNM:PAL
undetermined
Cooper & Phelan 1968-00-00
United States, Iowa, Washington County
USNM:PAL
Cusacrinus coelatus (Hall)
USNM S7757
United States, Iowa, Des Moines County
USNM:PAL
Genus
USNM PAL633376
United States, Iowa
USNM:PAL
undetermined
A. Gerk 1973-00-00
United States, Iowa, Winneshiek County
USNM:PAL
Physonemus gemmatus (Newberry & Worthen)
USNM V4298 L. Cox
United States, Iowa, Lee County
USNM:PAL
Inoceramus ginterensis Pergament
USNM PAL299146
United States, Iowa, Plymouth County
USNM:PAL
Cytidocrinus sculptus (Hall)
USNM S7691
United States, Iowa
USNM:PAL
Sulcatostrophia camerata (Fenton & Fenton)
USNM PAL220537
United States, Iowa
USNM:PAL
Petrodus
USNM PAL330010 S. Calvin
United States, Iowa, Johnson County
USNM:PAL
Arcuoblastus shumardi (Meek & Worthen)
USNM S6581
United States, Iowa
USNM:PAL
Pentremites elongatus Shumard
USNM S5282
United States, Iowa
USNM:PAL
Gerkella humboldti Malinky & Sixt
USNM PAL390578 A. Gerk BW
United States, Iowa, Humboldt County
USNM:PAL
Rhodocrinites kirbyi (Wachsmuth & Springer)
USNM S7173
United States, Iowa, Marshall County
USNM:PAL
Palaeoneilo fecunda (Hall)
USNM PAL46130A
United States, Iowa
USNM:PAL
Psammodus springeri St.John & Worthen
USNM V14797 F. Springer
United States, Iowa
USNM:PAL
Orodus mammillaris Newberry & Worthen
USNM V15068 O. St.John
United States, Iowa
USNM:PAL
Murchisonia (Murchisonia) sp a
USNM PAL382662 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Teleiocrinus umbrosus (Hall)
USNM S5528
United States, Iowa, Des Moines County
USNM:PAL
undetermined
E. Kindle 1906-10-09
United States, Iowa, Fayette County
USNM:PAL
Peripristis semicircularis (Newberry & Worthen)
USNM PAL449046 O. St.John 1867-00-00
United States, Iowa
USNM:PAL
Venustodus
USNM PAL341293 O. St.John 1868-00-00
United States, Iowa, Louisa County
USNM:PAL
Eretmocrinus leucosia (Hall)
USNM S8341
United States, Iowa, Des Moines County
USNM:PAL
undetermined
G. Cooper
United States, Iowa, Scott County
USNM:PAL
undetermined
Collector Unknown
United States, Iowa, Floyd County
USNM:PAL
Dicranella bicornis Ulrich
USNM PAL453267
United States, Iowa, Winneshiek County, Sec 13, Glenwood Tnshp, 43.2907 -91.8437
USNM:PAL
Deltoptychius
USNM PAL341273 F. Springer 1872-00-00
United States, Iowa
USNM:PAL
Abatocrinus aequalis (Hall)
USNM S8120
United States, Iowa, Des Moines County
USNM:PAL
Abatocrinus aequalis (Hall)
USNM S5985
United States, Iowa, Des Moines County
USNM:PAL
Globoblastus norwoodi (Owen & Shumard)
USNM S6718
United States, Iowa
USNM:PAL
Campodus variabilis (Newberry & Worthen)
USNM V13164 Meek, St.John & Worthen
United States, Iowa, Mills County
USNM:PAL
Plagionephrodes bicostalis Gibson
USNM PAL123111 Gibson
United States, Iowa, Floyd County, Rockford; a clay pit of the Rockford Brick and Tile Company, 43.0528 -92.9492
USNM:PAL
Orodus elegantulus (Newberry & Worthen)
USNM PAL328628 F. Springer
United States, Iowa, Louisa County
USNM:PAL
Poecilodus rugosus (Newberry & Worthen)
USNM V3497 L. Cox
United States, Iowa
USNM:PAL
Lambdodus
USNM V14905 O. St.John
United States, Iowa
USNM:PAL
Gilbertsocrinus typus (Hall)
USNM S7357
United States, Iowa
USNM:PAL
Antliodus
USNM PAL339344 F. Springer
United States, Iowa
USNM:PAL
Cactocrinus reticulatus (Hall)
USNM S7733
United States, Iowa, Des Moines County
USNM:PAL
Orodus elegantulus (Newberry & Worthen)
USNM PAL328625 O. St.John 1868-00-00
United States, Iowa, Louisa County
USNM:PAL
Streptorhynchus tenuicostatum Weller
USNM PAL176829
United States, Iowa, Pocahontas County
USNM:PAL
undetermined
C. Read
United States, Iowa
USNM:PAL
Actinostroma edenensis Nicholson
USNM PAL307172
United States, Iowa, Floyd County
USNM:PAL
Peruvispira sp var. a
USNM PAL382671 A. Gerk
United States, Iowa, Humboldt County
USNM:PAL
Gilbertsocrinus typus (Hall)
USNM PAL7518 C. Wachsmuth
United States, Iowa
USNM:PAL
Orodus
USNM PAL328619 F. Springer
United States, Iowa, Des Moines County
USNM:PAL
Cryptoblastus melo (Owen & Shumard)
USNM S7007
United States, Iowa, Des Moines County
USNM:PAL
Cactocrinus proboscidialis (Hall)
USNM S5662
United States, Iowa, Des Moines County
USNM:PAL
Sandalodus laevissimus Newberry & Worthen
USNM V13969 G. Hambach
United States, Iowa
USNM:PAL
Prodarwinia distans (Foerste)
USNM PAL422824
United States, Iowa
USNM:PAL
Gilbertsocrinus typus (Hall)
USNM S7364
United States, Iowa
USNM:PAL
Helodus
USNM V14194
United States, Iowa