USNM:PAL
Meifodia subundata prima Williams
USNM PAL164880 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116574
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158124 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Cryptatrypa
USNM PAL171545 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypoidea borealis (Kirk & Amsden)
USNM PAL116584
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204647 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Dubaria Johnson et al.
USNM PAL171548 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypella
USNM PAL171358 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Boucot et al.
USNM PAL409986 A. Boucot 1963-00-00
United States, California
USNM:PAL
Lissatrypa decaturensis Amsden
USNM PAL115353 T. Amsden
United States, Oklahoma, Murray County
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204416 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Nanospira parvula Amsden
USNM PAL115346 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Lissatrypa henryhousensis Amsden
USNM PAL115363 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL248594 E. Kirk
United States, Alaska
USNM:PAL
Lissatrypa Johnson et al.
USNM PAL171556 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158133 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116582
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162866 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL116581
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171543 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa decaturensis Amsden
USNM PAL115355 T. Amsden
United States, Oklahoma, Murray County
USNM:PAL
Meifodia subundata prima Williams
USNM PAL164884 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204415 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella sp c Johnson et al.
USNM PAL204418 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Dubaria Johnson et al.
USNM PAL204425 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204649 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella sp d Johnson et al.
USNM PAL204422 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypella scheii (Holtedahl)
USNM PAL116573
USNM:PAL
Cryptatrypa triangularis Johnson et al.
USNM PAL204437 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa henryhousensis Amsden
USNM PAL115362 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Lissatrypa Boucot et al.
USNM PAL409983 A. Boucot 1963-00-00
United States, California
USNM:PAL
Atrypella shrocki Cooper
USNM MO108210A
USNM:PAL
Lissatrypa Boucot
USNM PAL126013 A. Boucot 1952-08-01
United States, Maine, Somerset County
USNM:PAL
Atrypoidea tenuis (Kirk & Amsden)
USNM PAL116583
USNM:PAL
Atrypella tenuis Kirk & Amsden
USNM PAL116581
USNM:PAL
Idiospira panderi (Billings)
USNM PAL85329A C. Schuchert
United States, Kentucky
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171542 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Dubaria megaeroides Johnson & Boucot
USNM PAL162868 Kay & Crawford
United States, Nevada, Nye County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204648
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Johnson et al.
USNM PAL171553 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Nanospira parvula Amsden
USNM PAL115348 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Cryptatrypa triangularis Johnson et al.
USNM PAL204441 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa Boucot
USNM PAL160130
United States, Maine, Somerset County
USNM:PAL
Atrypella borealis Kirk & Amsden
USNM PAL116584
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158132 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Cryptatrypa angusta Johnson et al.
USNM PAL171535 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Dubaria sp d Johnson et al.
USNM PAL204645 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Lissatrypa henryhousensis Amsden
USNM PAL115364 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Nanospira clairensis (Thomas)
USNM PAL158131
United States, Arkansas, Independence County
USNM:PAL
Idiospira panderi (Billings)
USNM PAL117251A G. Cooper
Canada, Ontario