USNM:PAL
Leptostrophia Bowen
USNM PAL153126
USNM:PAL
Megastrophia (Megastrophia) concava (Hall)
USNM PAL220696
Canada, Ontario
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220628
United States, Iowa
USNM:PAL
Mesodouvillina (Mesodouvillina) triculata (Fuchs)
USNM PAL220568 A. Boucot 1957-00-00
Germany
USNM:PAL
Douvillina sp 2 (Hall)
USNM PAL203561B R. Flower
United States, New Mexico
USNM:PAL
Strophoprion euglypha (Dalman)
USNM PAL220943 A. Boucot 1956-00-00
Sweden, Gotland
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491106
Canada, Newfoundland
USNM:PAL
Strophonella williamsi Kindle
USNM PAL62264
USNM:PAL
Strophonella tenuistriata Foerste
USNM PAL86971
USNM:PAL
Cymbistropheodonta cymbiformis (Swallow)
USNM PAL220791
Canada, Ontario
USNM:PAL
Strophoprion euglypha (Dalman)
USNM PAL220938 A. Boucot 1956-00-00
Sweden, Gotland
USNM:PAL
Megastrophia multicosta Mitchell
USNM PAL249380
United States, Ohio, Lucas County
USNM:PAL
Strophonella (Strophonella) laxiplicata Foerste
USNM PAL115370 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220624
United States, Iowa
USNM:PAL
Cymostrophia stephani (Barrande)
USNM PAL220962
Czechoslovakia
USNM:PAL
Strophodonta umbonata Cooper & Dutro
USNM PAL201084A C. Branson
United States, New Mexico
USNM:PAL
Strophodonta arcuata Hall
USNM PAL13795 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Mesodouvillina Harper & Boucot
USNM PAL220560 A. Boucot 1960-00-00
Turkey
USNM:PAL
Douvillina rectangulata (Hall)
USNM PAL201031 F. Stevenson
United States, New Mexico
USNM:PAL
Leptostrophia filosa (Sowerby)
USNM PAL321780
USNM:PAL
Strophonella Boucot & Johnson
USNM PAL164781 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Leptostrophia (Rhytistrophia) Harper & Boucot
USNM PAL220461 A. Boucot 1956-00-00
Germany
USNM:PAL
Cymbistropheodonta cymbiformis (Swallow)
USNM PAL220790
Canada, Ontario
USNM:PAL
Megastrophia (Megastrophia) proxicostellata Fagerstrom
USNM MO549468
Canada, Ontario, Bruce County
USNM:PAL
Douvillina contaderoensis (Hall)
USNM PAL201009 Cooper & Dutro
United States, New Mexico
USNM:PAL
Douvillina extensa Butts
USNM PAL98032B Butts & Oder
United States, West Virginia
USNM:PAL
Mesodouvillina (Mesodouviella) invasor (Johnson)
USNM PAL156943
USNM:PAL
Protoleptostrophia perplana (Conrad)
USNM PAL220520 G. Cooper
United States, Ohio
USNM:PAL
Megastrophia transitans Johnson
USNM PAL156950 Johnson
United States, Nevada, Eureka County
USNM:PAL
Strophodonta titan titan Imbrie
USNM PAL124341 G. Cooper
United States, Michigan, Alpena County
USNM:PAL
Strophodonta sp 1 Cooper & Dutro
USNM PAL201085 Branson, Bowsher, Cooper & Dutro
United States, New Mexico
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220768
United States, Michigan, Alpena County
USNM:PAL
Costistrophonella ampla (Hall)
USNM PAL380731 A. Foerste
United States, Kentucky, Floyd County
USNM:PAL
Douvillina contaderoensis (Hall)
USNM PAL200991A Bowsher & Cooper
United States, New Mexico
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140066
USNM:PAL
Strophodonta gregaria Mitchell
USNM PAL642046A
United States, Ohio, Lucas County
USNM:PAL
Megastrophia transitans Johnson
USNM PAL156951 Murphy
United States, Nevada, Eureka County
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140069
USNM:PAL
Strophodonta sp a Imbrie
USNM PAL124296 G. Cooper
United States, Michigan, Presque Isle County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL97872B C. Butts
United States, Virginia, Highland County
USNM:PAL
Strophodonta sp c Imbrie
USNM PAL124263 Cooper & Cloud
United States, Michigan, Charlevoix County
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491115
Canada, Newfoundland
USNM:PAL
Leptostrophia sp d Johnson
USNM PAL156971 A. Boucot
United States, Nevada, Eureka County
USNM:PAL
Leptostrophia (Leptostrophiella) shirleyi (Allan)
USNM PAL220468 Lilley 1960-00-00
New Zealand
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220774
United States, Michigan, Alpena County
USNM:PAL
Costistrophonella ampla (Hall)
USNM PAL220959 Southard
United States, New York
USNM:PAL
Cymostrophia sp a Fagerstrom
USNM MO549471
USNM:PAL
Brachyprion (Brachyprion) Harper & Boucot
USNM PAL220670 A. Boucot 1960-00-00
Turkey
USNM:PAL
Protoleptostrophia blainvillei (Billings)
USNM PAL126140 A. Boucot 1949-07-19
United States, Maine, Somerset County
USNM:PAL
Strophodonta luxor Johnson
USNM PAL390119 SSN-1-471
United States, Nevada
USNM:PAL
Protoleptostrophia blainvillei (Billings)
USNM PAL126154 A. Boucot 1950-06-20
United States, Maine, Somerset County
USNM:PAL
Leptostrophia sp b Boucot & Johnson
USNM PAL164774 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Douvillina cayuta (Hall)
USNM PAL177101 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Strophonella milleri Foerste
USNM PAL78704
USNM:PAL
Strophonella alterniradiata Amsden
USNM PAL115338 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Strophonella (Strophonella) laxiplicata Foerste
USNM PAL86992
USNM:PAL
Strophodonta profunda Hall
USNM PAL51309
USNM:PAL
Strophonella haueri (Barrande)
USNM PAL164779 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Strophonella striata Hall
USNM PAL62261
USNM:PAL
Leptostrophia becki tennesseensis Dunbar
USNM PAL159539
United States, Nevada
USNM:PAL
Costistrophonella ampla (Hall)
USNM PAL220950 Southard 1962-00-00
United States, New York
USNM:PAL
Strophonella dixoni Foerste
USNM PAL86973
USNM:PAL
Protoleptostrophia concinna (Morris & Sharpe)
USNM PAL209048
Bolivia
USNM:PAL
Protoleptostrophia Boucot
USNM PAL126135 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Megastrophia hemispherica (Hall)
USNM PAL126679A R. Finks
United States, New York, Orange County
USNM:PAL
Cymbistropheodonta cymbiformis (Swallow)
USNM PAL220789
Canada, Ontario
USNM:PAL
Leptodonta clausa (Paeckelmann & Sieverts)
USNM PAL220715
Turkey
USNM:PAL
Strophodonta extenuata bellensis Imbrie
USNM PAL124325
USNM:PAL
Brachyprion attenuata Amsden
USNM PAL115376 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Leptostrophia perplana (Conrad)
USNM PAL62060
USNM:PAL
Leptostrophia (Rhytistrophia) Harper & Boucot
USNM PAL220476 A. Boucot 1956-00-00
Germany
USNM:PAL
Leptostrophia Boucot
USNM PAL126674 R. Finks
United States, New York, Orange County
USNM:PAL
Strophodonta luxor Johnson
USNM PAL390116
United States, Nevada
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140070
USNM:PAL
Brachyprion corrugata (Conrad)
USNM PAL97652C Butts Et Al
United States, Tennessee
USNM:PAL
Strophonella loeblichi Amsden
USNM PAL115390 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220623
United States, Iowa
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491113
Canada, Newfoundland
USNM:PAL
Strophonella (Quasistrophonella) bohemica (Barrande)
USNM PAL156902
USNM:PAL
Protoleptostrophia concinna (Morris & Sharpe)
USNM PAL209046
Bolivia
USNM:PAL
Leptostrophia bipartita (Hall)
USNM PAL162280 J. Berdan
United States, New York, Schoharie County
USNM:PAL
Strophonella loeblichi Amsden
USNM PAL115388 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Megastrophia hemispherica (Hall)
USNM PAL126679B R. Finks
United States, New York, Orange County
USNM:PAL
Megastrophia (Megastrophia) proxicostellata Fagerstrom
USNM MO549467
Canada, Ontario, Bruce County
USNM:PAL
Strophonella keyserensis Swartz
USNM PAL177018 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Brachyprion (Protomegastrophia) Harper & Boucot
USNM PAL220666 A. Boucot 1956-00-00
Sweden, Gotland, Tofta Parish
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171339 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL126161 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Douvillina inaequistriata immatura Ellison
USNM PAL173997 Ellison
United States, Pennsylvania, Perry County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL56700
USNM:PAL
Strophodonta fascis Imbrie
USNM PAL124374 G. Cooper
United States, Michigan, Alpena County
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140055
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491119
Canada, Newfoundland
USNM:PAL
Leptostrophia filosa (Sowerby)
USNM PAL321780
United States, Maine, Washington County
USNM:PAL
Leptodonta clausa (Paeckelmann & Sieverts)
USNM PAL220712
Turkey
USNM:PAL
Protoleptostrophia blainvillei (Billings)
USNM PAL127395 A. Boucot 1949-07-28
United States, Maine, Somerset County
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140058
USNM:PAL
Brachyprion (Protomegastrophia) Harper & Boucot
USNM PAL220667 A. Boucot 1956-00-00
Sweden, Gotland, Tofta Parish
USNM:PAL
Brachyprion Foerste
USNM PAL72030
USNM:PAL
Rhenostrophia subarachnoidea (d'Archiac & De Verneuil)
USNM PAL220651 A. Boucot 1956-00-00
Germany