USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL152905J
United States, Texas, Brewster County
USNM:PAL
Spirifer curvilateralis Easton
USNM PAL118806A
USNM:PAL
Spirifer redwallensis Carter et al.
USNM PAL557927 E. McKee & R. Gutschick
United States, Arizona
USNM:PAL
Spirifer sp b Girty
USNM PAL179807 G. Richardson 1903-09-24
United States, Texas, Culberson County
USNM:PAL
Spirifera (Martinia) glabra Martin
USNM PAL14021
USNM:PAL
Neospirifer placidus Cooper & Grant
USNM PAL153276K
United States, Texas, Brewster County
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904S
United States, Texas, Brewster County
USNM:PAL
Warsawia lateralis (Hall)
USNM PAL181173
United States, Missouri
USNM:PAL
Spirifera disjuncta Sowerby
USNM PAL5899
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL180395 Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL152905L
United States, Texas, Brewster County
USNM:PAL
Spirifer utahensis Meek
USNM PAL62232
USNM:PAL
Spirifer cyclopterus Hall
USNM PAL97856A C. Butts
United States, Virginia, Alleghany County
USNM:PAL
Ectochoristites inflatus Carter
USNM PAL181003
United States, Texas, McCulloch County
USNM:PAL
Neospirifer cameratus (Morton)
USNM PAL353331
United States, Oklahoma
USNM:PAL
Spirifer (Eospirifer) niagarensis (Conrad)
USNM PAL84933
USNM:PAL
Eliva inflata Cooper & Grant
USNM PAL152887E
United States, New Mexico, Eddy County
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL118588B Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL154602I
United States, Texas, Brewster County
USNM:PAL
Eliva shumardi Cooper & Grant
USNM PAL152960A
United States, Texas, Culberson County
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894U
United States, Texas, Brewster County
USNM:PAL
Spirifer (Martinia) peculiaris Shumard
USNM PAL8537 Wheeler Survey 1871-00-00
United States, Nevada
USNM:PAL
Spirifer macrus Hall
USNM PAL97912B Butts & Edmundson
United States, Virginia, Washington County
USNM:PAL
Spirifer disjunctus Girty
USNM PAL98010A Butts & Edmundson
United States, Virginia, Smyth County
USNM:PAL
Neospirifer bakeri bakeri Cooper & Grant
USNM PAL154613D
United States, Texas, Brewster County
USNM:PAL
Spirifer cameratus Morton
USNM PAL181237 Wheeler Survey 1871-00-00
United States, Arizona
USNM:PAL
Eliva shumardi Cooper & Grant
USNM PAL154568D
United States, Texas, Culberson County
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152908F
United States, Texas, Brewster County
USNM:PAL
Spirifer redwallensis Carter et al.
USNM PAL557928 E. McKee & R. Gutschick
United States, Arizona
USNM:PAL
Spirifer murchisoni Castelnau
USNM PAL97884 C. Butts
United States, Virginia, Wythe County
USNM:PAL
Spirifer kayserianus Clarke
USNM PAL187948 E. Berry 1919-00-00
Bolivia
USNM:PAL
Anthracospirifer welleri lincolnensis Gordon
USNM PAL174031
United States, Wyoming, Lincoln County
USNM:PAL
Neospirifer notialis Cooper & Grant
USNM PAL152910A
United States, Texas, Brewster County
USNM:PAL
Spirifer concinnus Swartz
USNM PAL97859 C. Butts
United States, Virginia, Alleghany County
USNM:PAL
Neospirifer venezuelensis (Gerth)
USNM PAL221495
Venezuela, Merida
USNM:PAL
Spirifer mesastrialis Hall
USNM PAL98013A C. Butts
United States, Virginia, Shenandoah County
USNM:PAL
Spirifer striatus var. attenuatus Owen
USNM PAL17944
USNM:PAL
Spirifer rarus Webster
USNM PAL78602
USNM:PAL
Spirifer louisianensis Rowley
USNM PAL263403 A. Armstrong
United States, New Mexico
USNM:PAL
Spirifer murchisoni Castelnau
USNM PAL59741
USNM:PAL
Anthracospirifer occiduus (Sadlick)
USNM PAL256824
United States, Arizona
USNM:PAL
Spirifer increbescens Hall
USNM PAL98112B C. Butts
United States, Virginia, Wise County
USNM:PAL
Spirifer anchiasper Williams
USNM PAL89766
USNM:PAL
Spirifer planicostatus (Swartz)
USNM PAL97943A Butts & Edmundson
United States, Virginia, Washington County
USNM:PAL
Spirifer marcyi sigma Williams
USNM PAL59621
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909Q
United States, Texas, Brewster County
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916U
United States, Texas, Brewster County
USNM:PAL
Spirifer leidyi Norwood & Pratten
USNM PAL172269 Allen & Lester
United States, Georgia, Whitfield County
USNM:PAL
Spirifer arkansanus Girty
USNM PAL141387 G. Girty 1908-10-18
United States, Arkansas
USNM:PAL
Spirifer cameratus Morton
USNM PAL135216
USNM:PAL
Anthracospirifer newberryi Sutherland & Harlow
USNM PAL256829
United States, Arizona
USNM:PAL
Anthracospirifer rawlinsensis Gordon
USNM PAL167751
United States, Wyoming, Carbon County
USNM:PAL
Warsawia lateralis (Hall)
USNM PAL181175
United States, Missouri
USNM:PAL
Spirifer macra (Hall)
USNM PAL629
USNM:PAL
Anthracospirifer welleri lincolnensis Gordon
USNM PAL168459
United States, Wyoming, Lincoln County
USNM:PAL
Spirifer perdewi Schuchert
USNM PAL163232 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifer logani Hall
USNM PAL121567
USNM:PAL
Spirifer mucronatus var. posterus Hall & Clarke
USNM PAL177282 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Spirifera camerata Morton
USNM PAL174503 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Anthracospirifer curvilateralis brutus Gordon
USNM PAL167739
United States, Wyoming, Lincoln County
USNM:PAL
Unispirifer greenockensis (Brown)
USNM PAL557933 E. McKee & R. Gutschick
United States, Arizona
USNM:PAL
Spirifer cameratus Morton
USNM PAL181244 Wheeler Survey 1871-00-00
United States, Utah
USNM:PAL
Anthracospirifer opimus (Hall)
USNM PAL448951 GM-3
United States, Utah, Juab County
USNM:PAL
Spirifer nobilis Barrande
USNM PAL62303
USNM:PAL
Spirifer utahensis Meek
USNM PAL626D
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894M
United States, Texas, Brewster County
USNM:PAL
Spirifer imbrex Hall
USNM PAL69623
USNM:PAL
Spirifer tribuarius Schuchert
USNM PAL163231
USNM:PAL
Spirifer (Delthyris) corallinensis Grabau
USNM PAL177059 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Spirifera (Martinia) planoconvexa (Shumard)
USNM PAL174638 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Spirifer cyclopterus Hall
USNM PAL97755A Butts & Oder
United States, Virginia, Craig County
USNM:PAL
Eliva inflata Cooper & Grant
USNM PAL152887I
United States, New Mexico, Eddy County
USNM:PAL
Spirifer curvilateralis Easton
USNM PAL118806C
USNM:PAL
Neospirifer triplicatus (Hall)
USNM PAL119393
USNM:PAL
Brachythyrina washakiensis Gordon
USNM PAL167762
United States, Wyoming, Teton County
USNM:PAL
Spirifera (Martinia) perplexa McChesney
USNM PAL174545 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL118588C Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180927 G. Eldridge
United States, Colorado, Gunnison County
USNM:PAL
Spirifer arenosus (Conrad)
USNM PAL97882 Butts & Edmundson
United States, Virginia, Smyth County
USNM:PAL
Neospirifer neali Cooper & Grant
USNM PAL152915C
United States, Texas, Brewster County
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904I
United States, Texas, Brewster County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL14450 Endlich
United States, Colorado, La Plata County
USNM:PAL
Spirifer (Trigonotreta) scobina Meek
USNM PAL644A
USNM:PAL
Spirifer striatiformis Meek
USNM PAL98061C Butts & Pohl
United States, Virginia, Tazewell County
USNM:PAL
Spirifera annectans Walcott
USNM PAL14320A C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Spirifer pennatus Owen
USNM PAL17919
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152907
United States, Texas, Brewster County
USNM:PAL
Spirifer modestus Hall
USNM PAL81528
USNM:PAL
Spirifer rockymontanus Marcou
USNM PAL263356 J. Gehrig 1953-07-00
United States, New Mexico, Sierra County
USNM:PAL
Spirifer murchisoni Castelnau
USNM PAL62970
USNM:PAL
Spirifer (Delthyris) mesacostalis Hall
USNM PAL177079 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Fusella llanoensis Carter
USNM PAL154847
United States, Texas, McCulloch County
USNM:PAL
Anthracospirifer curvilateralis brutus Gordon
USNM PAL167742
United States, Wyoming, Teton County
USNM:PAL
Spirifer macropleurus (Hall)
USNM PAL177493 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifer tullius Hall
USNM PAL174172 Ellison
United States, Pennsylvania, Huntingdon County
USNM:PAL
Spirifer sp b Girty
USNM PAL121455 Blackwelder 1904-05-30
China, East Ssi-Chuan
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL154610E
United States, Texas, Brewster County
USNM:PAL
Neospirifer placidus Cooper & Grant
USNM PAL153276F
United States, Texas, Brewster County
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL154610J
United States, Texas, Brewster County
USNM:PAL
Eliva shumardi Cooper & Grant
USNM PAL154568A
United States, Texas, Culberson County