USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL154602E
United States, Texas, Brewster County
USNM:PAL
Spirifer moorefieldanus Girty
USNM PAL185213 G. Girty 1907-09-00
United States, Arkansas
USNM:PAL
Spirifera raricosta (Conrad)
USNM PAL13829B C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Imbrexia imbrex (Hall)
USNM PAL181178
United States, Missouri, Pike County
USNM:PAL
Spirifer cameratus Morton
USNM PAL181232 Wheeler Survey 1871-00-00
United States, Nevada, Lincoln County
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904J
United States, Texas, Brewster County
USNM:PAL
Spirifer occidentalis Girty
USNM PAL263353 J. Gehrig 1953-07-00
United States, New Mexico, Sierra County
USNM:PAL
Spirifer arenosus planicostatus (Conrad)
USNM PAL81567
USNM:PAL
Eliva inflata Cooper & Grant
USNM PAL152887C
United States, New Mexico, Eddy County
USNM:PAL
Spirifer centronatus Winchell
USNM PAL8532
USNM:PAL
Spirifer cameratus Morton
USNM PAL181245 Wheeler Survey 1871-00-00
United States, Utah
USNM:PAL
Spirifera (Trigonotreta) argentarius Meek
USNM PAL13832A C. King
United States, Nevada, White Pine District
USNM:PAL
Spirifer plicatus (Weller)
USNM PAL56707
USNM:PAL
Spirifer intermedius Hall
USNM PAL177274 Maryland Geological Survey
United States, Pennsylvania
USNM:PAL
Spirifer coniculus Girty
USNM PAL33964D Cross & Spencer 1898-00-00
United States, Colorado
USNM:PAL
Spirifer (Delthyris) mesicostalis (Hall)
USNM PAL98005A Butts & Edmundson
United States, West Virginia
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904B
United States, Texas, Brewster County
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL118588G Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Spirifer mexicanus var. compactus Girty
USNM PAL118589 Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Spirifer ligus Owen
USNM PAL17921
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916S
United States, Texas, Brewster County
USNM:PAL
Spirifer whitneyi Hall
USNM PAL62031 F. Springer
United States, New Mexico
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL154596C
United States, Texas, Brewster County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180901 G. Eldridge
United States, Colorado, Chaffee County
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL152912D
United States, Texas, Brewster County
USNM:PAL
Spirifer cameratus Morton
USNM PAL181230 Wheeler Survey 1871-00-00
United States, Nevada
USNM:PAL
Neospirifer Grant
USNM PAL153725 Grant & Fatmi
Pakistan
USNM:PAL
Spirifer macra (Hall)
USNM PAL126735 R. Finks
United States, New York, Orange County
USNM:PAL
Spirifera (Martinia) planoconvexa (Shumard)
USNM PAL174658 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL154610H
United States, Texas, Brewster County
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL154602H
United States, Texas, Brewster County
USNM:PAL
Spirifer duodenarius (Hall)
USNM PAL97938A C. Butts
United States, Virginia, Washington County
USNM:PAL
Spirifer chappelensis Carter
USNM PAL154828
United States, Texas, McCulloch County
USNM:PAL
Spirifer striatus (Martin)
USNM PAL8528 Wheeler Survey 1871-00-00
United States, Nevada
USNM:PAL
Fusella llanoensis Carter
USNM PAL154843
United States, Texas, McCulloch County
USNM:PAL
Spirifer cameratus Morton
USNM PAL181240 Wheeler Survey 1871-00-00
United States, Utah
USNM:PAL
Spirifer floydensis Weller
USNM PAL143384
USNM:PAL
Spirifer engelmanni Meek
USNM PAL62233
USNM:PAL
Spirifer (Delthyris) mesacostalis Hall
USNM PAL177428 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Neospirifer notialis Cooper & Grant
USNM PAL152910E
United States, Texas, Brewster County
USNM:PAL
Spirifer disjunctus Girty
USNM PAL177083 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Spirifer centronatus Winchell
USNM PAL8532A Wheeler Survey 1871-00-00
United States, Nevada
USNM:PAL
Ectochoristites inflatus Carter
USNM PAL154838
United States, Texas, McCulloch County
USNM:PAL
Spirifer gregeri Weller
USNM PAL181016
United States, Texas, McCulloch County
USNM:PAL
Spirifer pseudocameratus Girty
USNM PAL121688
USNM:PAL
Spirifer Swartz
USNM PAL81570
USNM:PAL
Spirifer euryteines milwaukeensis Cleland
USNM PAL353216
USNM:PAL
Spirifer modestus Hall
USNM PAL97677A C. Butts
United States, Virginia, Highland County
USNM:PAL
Spirifer cyclopterus Hall
USNM PAL59738
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152893C
United States, Texas, Brewster County
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916A
United States, Texas, Brewster County
USNM:PAL
Spirifer suborestes Webster
USNM PAL78583
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL118588H Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Spirifer incertiformis Girty
USNM PAL143388
USNM:PAL
Neospirifer neali Cooper & Grant
USNM PAL152915B
United States, Texas, Brewster County
USNM:PAL
Eliva shumardi Cooper & Grant
USNM PAL154568G
United States, Texas, Culberson County
USNM:PAL
Spirifera camerata Morton
USNM PAL174482 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Spirifer rockymontanus Marcou
USNM PAL181823
United States, Oklahoma
USNM:PAL
Spirifer mysticensis Meek
USNM PAL33290
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909L
United States, Texas, Brewster County
USNM:PAL
Neospirifer bakeri bakeri Cooper & Grant
USNM PAL154613E
United States, Texas, Brewster County
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894N
United States, Texas, Brewster County
USNM:PAL
Ectochoristites inflatus Carter
USNM PAL154838
USNM:PAL
Spirifer audaculus (Conrad)
USNM PAL97958B C. Butts
United States, Virginia, Shenandoah County
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL154603A
United States, Texas, Brewster County
USNM:PAL
Neospirifer apothescelus Cooper & Grant
USNM PAL152899D
United States, Texas, Brewster County
USNM:PAL
Spirifer mucronatus Conrad
USNM PAL177001 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Warsawia lateralis (Hall)
USNM PAL181176
United States, Missouri
USNM:PAL
Spirifer notabilis Kindle
USNM PAL62025 F. Springer
United States, New Mexico
USNM:PAL
Neospirifer triplicatus var. gibbosus (Hall)
USNM PAL263349 J. Gehrig 1953-07-00
United States, New Mexico, Sierra County
USNM:PAL
Spirifera (Martinia) glabra var. nevadensis Walcott
USNM PAL13836C C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Spirifera (Martinia) glabra var. nevadensis Walcott
USNM PAL13836B C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Prospira sp a Carter et al.
USNM PAL557957 E. McKee & R. Gutschick
United States, Arizona
USNM:PAL
Spirifer arkansanus Girty
USNM PAL141389 Ulrich & Adams 1902-09-08
United States, Arkansas
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL154610I
United States, Texas, Brewster County
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152908K
United States, Texas, Brewster County
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL154606E
United States, Texas, Brewster County
USNM:PAL
Spirifer ligus Owen
USNM PAL17922
USNM:PAL
Spirifer chappelensis Carter
USNM PAL154832
United States, Texas, McCulloch County
USNM:PAL
Spirifer tullius Hall
USNM PAL176983 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Spirifer moorefieldanus Girty
USNM PAL141390 G. Girty 1907-09-00
United States, Arkansas
USNM:PAL
Spirifer striatiformis Meek
USNM PAL98061B Butts & Pohl
United States, Virginia, Tazewell County
USNM:PAL
Anthracospirifer shawi shawi Gordon
USNM PAL167758
United States, Wyoming, Teton County
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904L
United States, Texas, Brewster County
USNM:PAL
Prospira legrandensis (Weller)
USNM PAL176858
United States, Iowa, Pocahontas County
USNM:PAL
Spirifer chappelensis Carter
USNM PAL154824
United States, Texas, McCulloch County
USNM:PAL
Spirifera annectans Walcott
USNM PAL14320B C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Spirifer gorei Mather
USNM PAL476646 T. Henry & E. Fisher 1991-09-04
United States, Colorado, Park County
USNM:PAL
Spirifera engelmanni Meek
USNM PAL13828 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Spirifer (Trigonotreta) pinonensis Meek
USNM PAL11583A
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL152905N
United States, Texas, Brewster County
USNM:PAL
Spirifer louisianensis Rowley
USNM PAL278851 A. Armstrong
United States, New Mexico
USNM:PAL
Spirifer (Delthyris) trescotti Williams
USNM PAL61451
USNM:PAL
Spirifer imbrex Hall
USNM PAL49144
USNM:PAL
Neospirifer placidus Cooper & Grant
USNM PAL153276Q
United States, Texas, Brewster County
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152908R
United States, Texas, Brewster County
USNM:PAL
Spirifer pauliformis Williams
USNM PAL89754
USNM:PAL
Spirifera camerata Morton
USNM PAL645B
USNM:PAL
Ectochoristites inflatus Carter
USNM PAL154834
United States, Texas, McCulloch County
USNM:PAL
Spirifer iowensis Owen
USNM PAL85967