USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL152914B
United States, Texas, Brewster County
USNM:PAL
Spirifer sparsus Clarke
USNM PAL59745
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904C
United States, Texas, Brewster County
USNM:PAL
Spirifer (Delthyris) vanuxemi var. prognostica Schuchert
USNM PAL61846
USNM:PAL
Spirifer disjunctus Girty
USNM PAL177412 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifera (Martinia) perplexa McChesney
USNM PAL174544 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL152914J
United States, Texas, Brewster County
USNM:PAL
Anthracospirifer tanoensis Sutherland & Harlow
USNM PAL256826
United States, Arizona
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL154610F
United States, Texas, Brewster County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL33957
United States, Colorado
USNM:PAL
Parallelora marionensis (Hall)
USNM PAL181167
United States, Missouri
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152918A
United States, Texas, Brewster County
USNM:PAL
Spirifer duodenaria (Hall)
USNM PAL51220
USNM:PAL
Spirifer striatus (Martin)
USNM PAL8528A Wheeler Survey 1871-00-00
United States, Nevada
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894I
United States, Texas, Brewster County
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894Y
United States, Texas, Brewster County
USNM:PAL
Spirifera (Martinia) urii Unknown
USNM PAL1047A 1855-11-12
United States, South Dakota
USNM:PAL
Warsawia lateralis (Hall)
USNM PAL181172
United States, Missouri
USNM:PAL
Spirifer cameratus Morton
USNM PAL6531
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180897 A. Spencer 1898-00-00
United States, Colorado, La Plata County
USNM:PAL
Spirifer leidyi Norwood & Pratten
USNM PAL98079B Butts & Meacham
United States, Virginia, Smyth County
USNM:PAL
Spirifer crispa simplex Hall
USNM PAL51333
USNM:PAL
Spirifer pauliformis Williams
USNM PAL89869
USNM:PAL
Spirifer balphegor Clarke
USNM PAL14979
USNM:PAL
Anthracospirifer rawlinsensis Gordon
USNM PAL167752
United States, Wyoming, Carbon County
USNM:PAL
Spirifer sculptilis var. marylandensis Prosser
USNM PAL177445 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifer (Delthyris) corallinensis Grabau
USNM PAL177058 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL118588F Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL154606C
United States, Texas, Brewster County
USNM:PAL
Spirifer mesastrialis Hall
USNM PAL177311 Maryland Geological Survey
United States, Pennsylvania, Bedford County
USNM:PAL
Spirifer (Reticularia) crispus simplex Hall
USNM PAL62301
USNM:PAL
Eliva shumardi Cooper & Grant
USNM PAL118588F
United States, Texas
USNM:PAL
Neospirifer
USNM PAL212912 R. Grant
Thailand
USNM:PAL
Anthracospirifer occiduus (Sadlick)
USNM PAL256825
United States, Arizona
USNM:PAL
Spirifer modestus verplicatus Maynard
USNM PAL81527
USNM:PAL
Spirifer cameratus Morton
USNM PAL9164A
USNM:PAL
Eliva inflata Cooper & Grant
USNM PAL152887A
United States, New Mexico, Eddy County
USNM:PAL
Brachythyrina washakiensis Gordon
USNM PAL167760
United States, Wyoming, Teton County
USNM:PAL
Neospirifer latus Dunbar & Condra
USNM PAL263351 J. Gehrig 1953-07-00
United States, New Mexico, Sierra County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL33963
United States, Colorado
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL152914M
United States, Texas, Brewster County
USNM:PAL
Brachythyrina washakiensis Gordon
USNM PAL167761
United States, Wyoming, Teton County
USNM:PAL
Spirifer grimesi Hall
USNM PAL71605 C. Butts
United States, Alabama, Madison County
USNM:PAL
Spirifer cameratus Morton
USNM PAL181239 Wheeler Survey 1871-00-00
United States, Utah
USNM:PAL
Spirifer marcyi beta Williams
USNM PAL59618
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180880 Cross & Spencer 1898-00-00
United States, Colorado
USNM:PAL
Neospirifer condor (d'Orbigny)
USNM PAL374038
Bolivia, Cochabamba Dept, Capinota Prov
USNM:PAL
Spirifer cristatus (Schlotheim)
USNM PAL69243
Indonesia
USNM:PAL
Spirifera (Spiriferina) alia Hall & Whitfield
USNM PAL12671 A. Hague
United States, Nevada
USNM:PAL
Spirifera (Martinia) maia Billings
USNM PAL13834 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916K
United States, Texas, Brewster County
USNM:PAL
Spirifer bimesialis Hall
USNM PAL180885 T. Stanton 1889-00-00
United States, Colorado
USNM:PAL
Spirifer asper Hall
USNM PAL85966
USNM:PAL
Spirifer davisi Nettelroth
USNM PAL51197
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909F
United States, Texas, Brewster County
USNM:PAL
Spirifera camerata Morton
USNM PAL174560 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Prospira albapinensis (Hall & Whitfield)
USNM PAL557932 E. McKee & R. Gutschick
United States, Arizona
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916F
United States, Texas, Brewster County
USNM:PAL
Spirifer concinnoidus Schuchert
USNM PAL62969
USNM:PAL
Neospirifer thescelus Cooper & Grant
USNM PAL152916X
United States, Texas, Brewster County
USNM:PAL
Unispirifer vernonensis (Swallow)
USNM PAL263467
United States, New Mexico, Sierra County
USNM:PAL
Spirifer incertiformis Girty
USNM PAL143390
USNM:PAL
Spirifer mesastrialis Hall
USNM PAL177317 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifer audaculus (Conrad)
USNM PAL177443 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Neospirifer neali Cooper & Grant
USNM PAL152915F
United States, Texas, Brewster County
USNM:PAL
Spirifer bifurcatus Hall
USNM PAL71633C C. Butts
United States, Alabama, Lauderdale County
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL152905K
United States, Texas, Brewster County
USNM:PAL
Spirifer marcyi Hall
USNM PAL98001C Butts Et Al
United States, Virginia, Bath County
USNM:PAL
Spirifera opima Hall
USNM PAL174495 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909U
United States, Texas, Brewster County
USNM:PAL
Spirifer cedarensis Owen
USNM PAL17923
USNM:PAL
Spirifer increbescens Hall
USNM PAL71692 C. Butts
United States, Alabama
USNM:PAL
Spirifer mexicanus Shumard
USNM PAL180396 Hill 1901-09-21
United States, Texas, Culberson County
USNM:PAL
Howittia Johnson
USNM PAL165707 M. Murphy 1955-00-00
United States, Nevada, Eureka County
USNM:PAL
Neospirifer bakeri bakeri King
USNM PAL152904Z
United States, Texas, Brewster County
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909T
United States, Texas, Brewster County
USNM:PAL
Spirifer whitneyi var. disparilis Webster
USNM PAL78603
USNM:PAL
Neospirifer apothescelus Cooper & Grant
USNM PAL152899F
United States, Texas, Brewster County
USNM:PAL
Spirifer duodenarius (Hall)
USNM PAL59743
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152909O
United States, Texas, Brewster County
USNM:PAL
Spirifer murchisoni Castelnau
USNM PAL97886 C. Butts
United States, Virginia, Smyth County
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894T
United States, Texas, Brewster County
USNM:PAL
Neospirifer amphigyus Cooper & Grant
USNM PAL152894O
United States, Texas, Brewster County
USNM:PAL
Spirifer grimesi Hall
USNM PAL263427 A. Armstrong 1955-00-00
United States, New Mexico
USNM:PAL
Spirifer disjunctus Girty
USNM PAL177413 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spirifer marcyi epsilon Williams
USNM PAL59623
USNM:PAL
Spirifer cuspidatus (Martin)
USNM PAL14230 C. King
United States, Nevada, White Pine District
USNM:PAL
Spirifer (Delthyris) vanuxemi Swartz
USNM PAL176947 Maryland Geological Survey
United States, West Virginia, Morgan County
USNM:PAL
Spirifer (Delthyris) mesacostalis Hall
USNM PAL177075 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Spirifer (Trigonotreta) pinonensis Meek
USNM PAL124500
USNM:PAL
Neospirifer bakeri columbarius Cooper & Grant
USNM PAL154603B
United States, Texas, Brewster County
USNM:PAL
Neospirifer formulosus Cooper & Grant
USNM PAL152908G
United States, Texas, Brewster County
USNM:PAL
Neospirifer apothescelus Cooper & Grant
USNM PAL154600A
United States, Texas, Brewster County
USNM:PAL
Neospirifer mansuetus Cooper & Grant
USNM PAL154615D
United States, Texas, Brewster County
USNM:PAL
Spirifer kobehana Merriam
USNM PAL96388C Merriam
United States, Nevada, Eureka County
USNM:PAL
Spirifer tullius Hall
USNM PAL176984 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Spirifer pellaensis Weller
USNM PAL71669B C. Butts
United States, Alabama, Colbert County
USNM:PAL
Spirifera striata (Martin)
USNM PAL14455A J. Clayton
United States, Utah
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180920 G. Eldridge
United States, Colorado, Chaffee County
USNM:PAL
Spirifer disjunctus var. animasensis Girty
USNM PAL180931 G. Eldridge
United States, Colorado, Gunnison County