USNM:PAL
Idiospira panderi (Billings)
USNM PAL92374C G. Cooper
Canada, Ontario
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL116580
USNM:PAL
Nanospira Boucot
USNM PAL126108 A. Boucot 1952-08-26
United States, Maine, Somerset County
USNM:PAL
Idiospira warthini Cooper
USNM PAL117252A G. Cooper
United States, New York
USNM:PAL
Dubaria thetis (Barrande)
USNM PAL145520
USNM:PAL
Meifodia subundata prima Williams
USNM PAL164883 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL116582
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158128 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204414 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180829 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204646 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa triangularis Johnson et al.
USNM PAL204439 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162867 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171536 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa decaturensis Amsden
USNM PAL115356 T. Amsden
United States, Oklahoma, Murray County
USNM:PAL
Atrypella prunum Dalman
USNM PAL211560
Canada, Northwest Territories
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158239 E. Ulrich
United States, Oklahoma, Coal County
USNM:PAL
Dubaria lantenoisi Termier
USNM PAL138452
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180826 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116580
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158126 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL116579
USNM:PAL
Lissatrypa Boucot
USNM PAL125905 A. Boucot 1952-08-01
United States, Maine, Somerset County
USNM:PAL
Nanospira parvula Amsden
USNM PAL115349 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Atrypella sp d Johnson et al.
USNM PAL204423 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158127 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116578
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158240 E. Ulrich
United States, Oklahoma, Coal County
USNM:PAL
Dubaria Johnson et al.
USNM PAL171551 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171538 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180830 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Nanospira parvula Amsden
USNM PAL115195 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Meifodia subundata prima Williams
USNM PAL164882 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL171552 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204651 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Johnson et al.
USNM PAL171554 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Nanospira parvula Amsden
USNM PAL115347 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158122 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158241 E. Ulrich
United States, Oklahoma, Coal County
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180831 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Cryptatrypa triangularis Johnson et al.
USNM PAL204438 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158123 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158129 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204653 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypoidea borealis (Kirk & Amsden)
USNM PAL116585
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171537 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116575
USNM:PAL
Atrypella sp d Johnson et al.
USNM PAL204420 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Dubaria Johnson et al.
USNM PAL171550 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158130 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Atrypella borealis Kirk & Amsden
USNM PAL116585
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171534 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Boucot
USNM PAL125909 A. Boucot 1952-08-01
United States, Maine, Somerset County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204652 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116577
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171541 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162870 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Atrypella sp d Johnson et al.
USNM PAL204421 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204419 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella borealis Kirk & Amsden
USNM PAL116606
USNM:PAL
Lissatrypa Boucot et al.
USNM PAL409985 A. Boucot 1963-00-00
United States, California
USNM:PAL
Dubaria Johnson et al.
USNM PAL171549 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypella prunum Dalman
USNM PAL211561
Canada, Northwest Territories
USNM:PAL
Lissatrypa Boucot
USNM PAL125906 A. Boucot 1952-08-01
United States, Maine, Somerset County
USNM:PAL
Lissatrypa Johnson et al.
USNM PAL171555 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Idiospira panderi (Billings)
USNM PAL92374A G. Cooper
Canada, Ontario
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116583
USNM:PAL
Atrypoidea borealis (Kirk & Amsden)
USNM PAL248595
USNM:PAL
Meifodia subundata prima Williams
USNM PAL164879 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158125 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204650 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa
USNM PAL171544 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL323966
United States, Alaska
USNM:PAL
Cryptatrypa
USNM PAL171547 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa decaturensis Amsden
USNM PAL115354 T. Amsden
United States, Oklahoma, Murray County
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162865 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Lissatrypa Boucot et al.
USNM PAL409984 A. Boucot 1963-00-00
United States, California
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116579
USNM:PAL
Atrypella prunum Dalman
USNM PAL211562
Canada, Northwest Territories
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204654 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171540 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypella sp d Johnson et al.
USNM PAL204424 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116604
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204417 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Boucot et al.
USNM PAL409987 A. Boucot 1963-00-00
United States, California
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116605
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162869 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Lissatrypa Boucot
USNM PAL126000 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Australina Boucot & Johnson
USNM PAL164885 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Cryptatrypa triangularis Johnson et al.
USNM PAL204440 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116576
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171539 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Meifodia subundata prima Williams
USNM PAL164881 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Cryptatrypa
USNM PAL171546 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180827 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypella shrocki Cooper
USNM MO108210A G. Cooper 1939-00-00
United States, Indiana
USNM:PAL
Idiospira panderi (Billings)
USNM PAL85330A G. Cooper
Canada, Ontario
USNM:PAL
Lissatrypa Boucot
USNM PAL125908 A. Boucot 1952-08-01
United States, Maine, Somerset County
USNM:PAL
Atrypella shrocki Cooper
USNM MO108210B G. Cooper 1939-00-00
United States, Indiana
USNM:PAL
Cryptatrypa paracircula Johnson & Flory
USNM PAL180828 Flory & Wright
United States, Nevada, Elko County