USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126042 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Hysterolites sp a Johnson
USNM PAL157195 Boucot & Masursky
United States, Nevada, Eureka County
USNM:PAL
Kozlowskiellina (Kozlowskiellina) vaningeni (Thomas)
USNM PAL158075
United States, Arkansas, Independence County
USNM:PAL
Kozlowskiellina nolani Merriam
USNM PAL159588
United States, Nevada
USNM:PAL
Acrospirifer kleinhampli Merriam
USNM PAL159602
United States, Nevada
USNM:PAL
Paraspirifer clarkei Godefroid & Fagerstrom
USNM PAL8953
United States, Kentucky
USNM:PAL
Delthyris sp a Boucot & Johnson
USNM PAL164948 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Acrospirifer atlanticus (Clarke)
USNM PAL126019 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Howellella smithi Waite
USNM PAL159499
United States, Nevada
USNM:PAL
Antispirifer harroldi var. transversa Williams
USNM PAL59916
USNM:PAL
Paraspirifer halli Godefroid & Fagerstrom
USNM PAL331629 G. Cooper
United States, New York
USNM:PAL
Paraspirifer halli Godefroid & Fagerstrom
USNM PAL331624 G. Cooper 1938-08-05
United States, New York
USNM:PAL
Howellella smithi Waite
USNM PAL159504
United States, Nevada
USNM:PAL
Hysterolites alpha Johnson & Kendall
USNM PAL227482 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Antispirifer harroldi Williams & Breger
USNM PAL126269 A. Boucot 1948-06-29
United States, Maine, Somerset County
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126566 A. Boucot 1949-08-19
United States, Maine, Somerset County
USNM:PAL
Brachyspirifer pinyonoides Johnson
USNM PAL157218 Johnson
United States, Nevada, Eureka County
USNM:PAL
Paraspirifer conradi Godefroid & Fagerstrom
USNM PAL331619
United States, Indiana
USNM:PAL
Delthyris perlamellosus praenuntius Swartz
USNM PAL97698A C. Butts
United States, Virginia, Craig County
USNM:PAL
Howellella vanuxemi (Hall)
USNM PAL489931 G. Van Ingen 1914-00-00
United States, New York, Ulster County
USNM:PAL
Antispirifer harroldi Williams & Breger
USNM PAL126270 A. Boucot 1949-07-29
United States, Maine, Somerset County
USNM:PAL
Brachyspirifer pinyonoides Johnson
USNM PAL157220 Johnson
United States, Nevada, Eureka County
USNM:PAL
Kozlowskiellina (Kozlowskiellina) vaningeni (Thomas)
USNM PAL158161 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Paraspirifer conradi Godefroid & Fagerstrom
USNM PAL331619
United States, Indiana
USNM:PAL
Howellella splendens (Thomas)
USNM PAL158163 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Howellella cycloptera (Hall)
USNM PAL157168 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Kozlowskiellina nolani Merriam
USNM PAL159590
United States, Nevada
USNM:PAL
Spinella talenti Johnson
USNM PAL146536
USNM:PAL
Howellella cycloptera (Hall)
USNM PAL153130
USNM:PAL
Delthyris (Spirifer) perlamellosus (Hall)
USNM PAL97860A Butts & Edmundson
United States, Virginia, Highland County
USNM:PAL
Howellella tenella (Barrande)
USNM PAL162863 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126546 A. Boucot 1949-07-04
United States, Maine, Somerset County
USNM:PAL
Antispirifer harroldi Williams
USNM PAL59748
USNM:PAL
Brachyspirifer pinyonoides Johnson
USNM PAL157212 Winterer
United States, Nevada, Eureka County
USNM:PAL
Howellella pauciplicata Waite
USNM PAL159506
United States, Nevada, Eureka County
USNM:PAL
Acrospirifer duodenaria (Hall)
USNM PAL147281
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126529 A. Boucot 1948-07-12
United States, Maine, Somerset County
USNM:PAL
Delthyris fulgens Johnson et al.
USNM PAL204680 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Hysterolites sp b Johnson
USNM PAL157204
United States, Nevada, Eureka County
USNM:PAL
Antispirifer harroldi var. transversa Williams
USNM PAL59752
USNM:PAL
Howellella cycloptera (Hall)
USNM PAL157166
United States, Nevada, Eureka County
USNM:PAL
Antispirifer harroldi Williams & Breger
USNM PAL126040 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Howellella smithi Waite
USNM PAL159500
United States, Nevada
USNM:PAL
Howellella Boucot & Thompson
USNM PAL140030
USNM:PAL
Paraspirifer bownockeri (Stewart)
USNM PAL380760 S. Mitchell
United States, Ohio, Lucas County
USNM:PAL
Megakozlowskiella sp a Johnson
USNM PAL157287 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Howellella tomheganensis Boucot
USNM PAL126016 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Antispirifer harroldi var. transversa Williams
USNM PAL59751
USNM:PAL
Antispirifer harroldi Williams & Breger
USNM PAL126039 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Howellella splendens (Thomas)
USNM PAL158082
United States, Arkansas, Independence County
USNM:PAL
Paraspirifer halli Godefroid & Fagerstrom
USNM PAL331630 G. Cooper
United States, New York
USNM:PAL
Acrospirifer kobehana (Merriam)
USNM PAL96387
USNM:PAL
Howellella tomheganensis Boucot
USNM PAL126032 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Howellella splendens (Thomas)
USNM PAL158086
United States, Arkansas, Independence County
USNM:PAL
Howellella splendens (Thomas)
USNM PAL158083 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Antispirifer harroldi Williams & Breger
USNM PAL126267 A. Boucot
United States, Maine, Somerset County
USNM:PAL
Howellella Boucot & Johnson
USNM PAL164957 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Delthyris kozlowskii Amsden
USNM PAL115332 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Megakozlowskiella raricosta (Conrad)
USNM PAL147285
USNM:PAL
Brachyspirifer pinyonoides Johnson
USNM PAL157215 Winterer
United States, Nevada, Eureka County
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126531 A. Boucot 1950-08-01
United States, Maine, Somerset County
USNM:PAL
Kozlowskiellina nolani Merriam
USNM PAL159592
United States, Nevada, Nye County
USNM:PAL
Megakozlowskiella magnapleura Johnson
USNM PAL157278 Murphy & Boucot
United States, Nevada, Eureka County
USNM:PAL
Paraspirifer sp a Godefroid & Fagerstrom
USNM PAL39883A
United States, Indiana, Jefferson County
USNM:PAL
Acrospirifer macrothyris (Hall)
USNM PAL157838 C. Rominger 1942-00-00
United States, Ohio
USNM:PAL
Paraspirifer bownockeri (Stewart)
USNM PAL381581 T. Johnson
United States, Ohio, Hamilton County
USNM:PAL
Howellella cycloptera monitorensis Merriam
USNM PAL159603
United States, Nevada
USNM:PAL
Delthyris Butts
USNM PAL71607B C. Butts
United States, Alabama, Chilton County
USNM:PAL
Delthyris sp a Boucot & Johnson
USNM PAL164945 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Acrospirifer murchisoni (Castlenau)
USNM PAL252056
United States, New Hampshire
USNM:PAL
Hedeina ananias Johnson et al.
USNM PAL204667 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126555 A. Boucot 1953-00-00
United States, Maine, Piscataquis County
USNM:PAL
Delthyris fulgens Johnson et al.
USNM PAL204681 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Hysterolites perimele (Clarke)
USNM PAL126664 R. Finks
United States, New York, Orange County
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126549 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Megakozlowskiella Boucot
USNM PAL126044 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Paraspirifer acuminatus (Conrad)
USNM PAL165879 J. Conkin 1969-00-00
United States, Indiana, Clark County
USNM:PAL
Hysterolites alpha Johnson & Kendall
USNM PAL157200
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126539 A. Boucot 1949-08-17
United States, Maine, Somerset County
USNM:PAL
Hysterolites beta Johnson & Kendall
USNM PAL157204
USNM:PAL
Hysterolites sp b Johnson
USNM PAL157206
United States, Nevada, Eureka County
USNM:PAL
Paraspirifer conradi Godefroid & Fagerstrom
USNM PAL331617
United States, Indiana
USNM:PAL
Delthyris sp b Boucot & Johnson
USNM PAL164942 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Delthyris
USNM PAL171311 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Howellella smithi Waite
USNM PAL159505
United States, Nevada
USNM:PAL
Acrospirifer murchisoni (Castelnau)
USNM PAL126544 A. Boucot 1950-09-18
United States, Maine, Somerset County
USNM:PAL
Spinella Johnson
USNM PAL146537
United States, Nevada, Eureka County
USNM:PAL
Howellella Boucot & Thompson
USNM PAL140029
USNM:PAL
Kozlowskiellina (Kozlowskiellina) vaningeni (Thomas)
USNM PAL158057 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Delthyris (Spirifer) perlamellosus (Hall)
USNM PAL97860E Butts & Edmundson
United States, Virginia, Highland County
USNM:PAL
Spinella yassensis (De Koninck)
USNM PAL380729 Huebert & Pasley
Australia, Victoria
USNM:PAL
Howellella cycloptera monitorensis Merriam
USNM PAL236779
United States, Nevada, Nye County
USNM:PAL
Acrospirifer atlanticus (Clarke)
USNM PAL125865 A. Boucot 1949-07-28
United States, Maine, Somerset County
USNM:PAL
Howellella tomheganensis Boucot
USNM PAL125889 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Delthyris elevata Dalman
USNM PAL204448 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Megakozlowskiella sp a Johnson
USNM PAL157285 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Megakozlowskiella sp a Johnson
USNM PAL157288 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Acrospirifer kobehana (Merriam)
USNM PAL157194 Murphy
United States, Nevada, Eureka County
USNM:PAL
Hedeina macropleura (Conrad)
USNM PAL126076 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Acrospirifer macrothyris (Hall)
USNM PAL157840 G. Cooper 1936-10-14
United States, Illinois