USNM:PAL
Leptostrophia inequicostella Johnson
USNM PAL156977 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Leptodonta clausa (Paeckelmann & Sieverts)
USNM PAL220714
Turkey
USNM:PAL
Strophodonta perplana (Conrad)
USNM PAL13796 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Megastrophia (Megastrophia) concava (Hall)
USNM PAL220697
Canada, Ontario
USNM:PAL
Megastrophia (Megastrophia) concava (Hall)
USNM PAL220695
Canada, Ontario
USNM:PAL
Brachyprion (Protomegastrophia) Harper & Boucot
USNM PAL220665 A. Boucot 1956-00-00
Sweden, Gotland, Tofta Parish
USNM:PAL
Leptostrophia perplana (Conrad)
USNM PAL59693
USNM:PAL
Strophodonta erratica Winchell
USNM PAL124268 Unknown
United States, Michigan, Emmet County
USNM:PAL
Strophodonta extenuata rockportensis Imbrie
USNM PAL124329 G. Cooper
United States, Michigan, Alpena County
USNM:PAL
Mesodouvillina (Protocymostrophia) Harper & Boucot
USNM PAL220575 A. Lilley 1960-00-00
New Zealand
USNM:PAL
Protoleptostrophia Boucot
USNM PAL126676C R. Finks
United States, New York, Orange County
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220675 A. Boucot 1957-00-00
Great Britain
USNM:PAL
Brachyprion attenuata Amsden
USNM PAL164803 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Strophonella (Quasistrophonella) bohemica (Barrande)
USNM PAL156904
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL201044
United States, New Mexico, Otero County
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140067
USNM:PAL
Megastrophia hemispherica (Hall)
USNM PAL125920 R. Finks
United States, New York, Orange County
USNM:PAL
Strophodonta demissa (Conrad)
USNM PAL220772
United States, Indiana
USNM:PAL
Strophodonta luxor Johnson
USNM PAL390115 SSN-I-471
United States, Nevada
USNM:PAL
Mesodouvillina Harper & Boucot
USNM PAL220562 A. Boucot 1960-00-00
Turkey
USNM:PAL
Strophodonta luxor Johnson
USNM PAL390118 SSN-1-471
United States, Nevada
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491105
Canada, Newfoundland
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL363552
United States, Utah
USNM:PAL
Megastrophia gibbosa Imbrie
USNM PAL124347 G. Cooper
United States, Michigan, Alpena County
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140074
USNM:PAL
Mesodouvillina varistriata (Conrad)
USNM PAL156936 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Cymostrophia seca Johnson
USNM PAL390122 CPN-13A
United States, Nevada
USNM:PAL
Eostrophonella eothen (Lamont)
USNM PAL220936 A. Boucot 1957-00-00
Wales
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171334 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Douvillina mucronata (Hall)
USNM PAL98035B Butts Et Al
United States, Virginia, Bath County
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491109
Canada, Newfoundland
USNM:PAL
Rhenostrophia subarachnoidea (d'Archiac & De Verneuil)
USNM PAL220653 A. Boucot 1956-00-00
Germany
USNM:PAL
Leptostrophia (Leptostrophia) magnifica (Hall)
USNM PAL126155
United States, Maine, Somerset County
USNM:PAL
Costistrophonella ampla (Hall)
USNM PAL220948 Southard
United States, New York
USNM:PAL
Leptostrophia interstrialis (Vanuxem)
USNM PAL177285 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Douvillina cayuta var. graciliora Clarke & Swartz
USNM PAL177108 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Strophodonta crassa Imbrie
USNM PAL124282 Unknown
United States, Michigan, Emmet County
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL156962 Johnson
United States, Nevada, Eureka County
USNM:PAL
Cymostrophia seca Johnson
USNM PAL390121 CPN-13A
United States, Nevada
USNM:PAL
Strophonella (Quasistrophonella) bohemica (Barrande)
USNM PAL156904 M. Kay
United States, Nevada, Nye County
USNM:PAL
Protoleptostrophia blainvillei (Billings)
USNM PAL127394 Bridge & Cloud 1941-09-28
United States, Maine, Somerset County
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140072
USNM:PAL
Strophonella (Quasistrophonella) bohemica (Barrande)
USNM PAL156903 M. Kay
United States, Nevada, Nye County
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL96370
USNM:PAL
Leptostrophia (Leptostrophia) magnifica (Hall)
USNM PAL220502
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491102
Canada, Newfoundland
USNM:PAL
Strophodonta demissa (Conrad)
USNM PAL13799A C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220677 A. Boucot 1957-00-00
Great Britain
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140060
USNM:PAL
Douvillina parviuscula (Hall)
USNM PAL201057B F. Stevenson
United States, New Mexico
USNM:PAL
Douvillina distans Imbrie
USNM PAL124349 G. Cooper
United States, Michigan, Alpena County
USNM:PAL
Strophodonta luxor Johnson
USNM PAL390112 SSN-1-471
United States, Nevada
USNM:PAL
Rhenostrophia subarachnoidea (d'Archiac & De Verneuil)
USNM PAL220656 A. Boucot 1956-00-00
Germany
USNM:PAL
Douvillina parviuscula (Hall)
USNM PAL201057D F. Stevenson
United States, New Mexico
USNM:PAL
Strophodonta extenuata genshawensis Imbrie
USNM PAL124332 A. Warthin
United States, Michigan, Alpena County
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220767
United States, Michigan, Alpena County
USNM:PAL
Brachyprion (Brachyprion) Harper & Boucot
USNM PAL220672
Turkey
USNM:PAL
Leptostrophia sp b Boucot & Johnson
USNM PAL164770 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491104
Canada, Newfoundland
USNM:PAL
Leptostrophia perplana var. nervosa (Hall)
USNM PAL177096 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Strophodonta sp 2 Cooper & Dutro
USNM PAL201181
United States, New Mexico
USNM:PAL
Megastrophia gibbosa Imbrie
USNM PAL124391 C. Southworth
Canada, Ontario
USNM:PAL
Douvillina rectangulata (Hall)
USNM PAL201030 C. Branson
United States, New Mexico
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL126157 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Leptostrophia becki tennesseensis Dunbar
USNM PAL159615
United States, Nevada, Nye County
USNM:PAL
Douvillina mucronata (Hall)
USNM PAL98037 Butts & Oder
United States, West Virginia
USNM:PAL
Protoleptostrophia Boucot
USNM PAL126676D R. Finks
United States, New York, Orange County
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220678 A. Boucot 1957-00-00
Great Britain
USNM:PAL
Leptostrophia sp b Boucot & Johnson
USNM PAL164771 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Douvillina parviuscula (Hall)
USNM PAL201057E F. Stevenson
United States, New Mexico
USNM:PAL
Megastrophia transitans Johnson
USNM PAL156952 Murphy
United States, Nevada, Eureka County
USNM:PAL
Costistrophonella Harper & Boucot
USNM PAL220954 Beland
Canada, Quebec, Bonaventure County
USNM:PAL
Strophodonta canace Hall & Whitfield
USNM PAL13798 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Strophodonta extenuata bellensis Imbrie
USNM PAL124298 Harris
United States, Michigan, Presque Isle County
USNM:PAL
Strophonella prolongata Foerste
USNM PAL115345 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Mesodouvillina (Protocymostrophia) Harper & Boucot
USNM PAL220576 A. Boucot
Poland
USNM:PAL
Protoleptostrophia perplana (Conrad)
USNM PAL220515
United States, New York
USNM:PAL
Leptostrophia Boucot & Rumble
USNM PAL252063
United States, New Hampshire
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171340 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Leptostrophia (Leptostrophiella) shirleyi (Allan)
USNM PAL220472 Lilley 1960-00-00
New Zealand
USNM:PAL
Brachyprion corrugata (Conrad)
USNM PAL97652D Butts Et Al
United States, Tennessee
USNM:PAL
Strophodonta titan costella Imbrie
USNM PAL124371 Cooper & Cooper
United States, Michigan, Presque Isle County
USNM:PAL
Protoleptostrophia perplana (Conrad)
USNM PAL220519
United States, Indiana, Jefferson County
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL220686
United States, Utah
USNM:PAL
Brachyprion (Protomegastrophia) Harper & Boucot
USNM PAL220663 A. Boucot 1956-00-00
Sweden, Gotland, Tofta Parish
USNM:PAL
Leptostrophia inequicostella Johnson
USNM PAL156979 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL220690
United States, Utah
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171336 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL156961
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171341 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Brachyprion (Protomegastrophia) profunda (Hall)
USNM PAL220680 Philcox 1965-00-00
United States, Iowa, Clinton County
USNM:PAL
Strophonella (Strophonella) laxiplicata Foerste
USNM PAL86994
USNM:PAL
Cymostrophia (Idioglyptus) Amsden
USNM PAL158746 Ulrich & Mesler
United States, Arkansas, Independence County
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220769
United States, Michigan, Alpena County
USNM:PAL
Cymostrophia Johnson
USNM PAL156781
United States, Nevada, Eureka County
USNM:PAL
Leptostrophia (Rhytistrophia) Harper & Boucot
USNM PAL220477 A. Boucot 1956-00-00
Germany
USNM:PAL
Leptostrophia (Rhytistrophia) Harper & Boucot
USNM PAL220474 A. Boucot 1956-00-00
Germany
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL156959 Winterer
United States, Nevada, Eureka County
USNM:PAL
Rhenostrophia subarachnoidea (d'Archiac & De Verneuil)
USNM PAL220658
Germany
USNM:PAL
Protoleptostrophia lirella Imbrie
USNM PAL124361