USNM:PAL
Douvillina cayuta (Hall)
USNM PAL177105 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Leptodonta attenuata (Amsden)
USNM PAL115375
USNM:PAL
Douvillina cayuta (Hall)
USNM PAL177100 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Strophoprion euglypha (Dalman)
USNM PAL220939 A. Boucot 1956-00-00
Sweden, Gotland
USNM:PAL
Protoleptostrophia Boucot
USNM PAL126132 A. Boucot 1949-07-14
United States, Maine, Somerset County
USNM:PAL
Planodouvillina cortezi Harper & Boucot
USNM PAL156948
USNM:PAL
Strophodonta discus Imbrie
USNM PAL124367 Cooper & Cooper
United States, Michigan, Alpena County
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140057
USNM:PAL
Cymbistropheodonta cymbiformis (Swallow)
USNM PAL220788 W. Pate
Canada, Ontario
USNM:PAL
Strophodonta titan titan Imbrie
USNM PAL124267 G. Cooper
United States, Michigan, Emmet County
USNM:PAL
Leptostrophia Boucot & Rumble
USNM PAL252054
United States, New Hampshire
USNM:PAL
Strophonella loeblichi Amsden
USNM PAL115387 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Leptostrophia (Leptostrophia) magnifica (Hall)
USNM PAL126122 A. Boucot 1949-08-27
United States, Maine, Somerset County
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220620
United States, Iowa
USNM:PAL
Leptostrophia (Rhytistrophia) beckii (Hall)
USNM PAL220492 A. Boucot
United States, Tennessee
USNM:PAL
Leptostrophia sp b Boucot & Johnson
USNM PAL164773 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Leptostrophia Boucot & Rumble
USNM PAL252058
United States, New Hampshire
USNM:PAL
Leptodonta attenuata (Amsden)
USNM PAL363655
United States, Oklahoma, Pontotoc County
USNM:PAL
Strophodonta micropleura Imbrie
USNM PAL124343 A. Warthin
United States, Michigan, Alpena County
USNM:PAL
Leptostrophia junia (Hall)
USNM PAL90376
USNM:PAL
Protoleptostrophia blainvillei (Billings)
USNM PAL126137 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Brachyprion attenuata Amsden
USNM PAL164802 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Cymbistropheodonta cymbiformis (Swallow)
USNM PAL220793
Canada, Ontario
USNM:PAL
Protoleptostrophia lirella Imbrie
USNM PAL124362
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491103
Canada, Newfoundland
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL220683
United States, Utah
USNM:PAL
Eostrophonella eothen (Lamont)
USNM PAL220935 A. Boucot 1957-00-00
Wales
USNM:PAL
Strophonella haueri (Barrande)
USNM PAL164777 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Leptostrophia Boucot
USNM PAL125914 R. Finks
United States, New York, Orange County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL156906
United States, Nevada, Eureka County
USNM:PAL
Strophonella loeblichi Amsden
USNM PAL115389 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Protoleptostrophia Boucot
USNM PAL126134 A. Boucot 1948-00-00
United States, Maine, Somerset County
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL156961 Winterer
United States, Nevada, Eureka County
USNM:PAL
Leptostrophia sp b Boucot & Johnson
USNM PAL164769 W. Smith 1961-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Mesodouvillina (Mesodouvillina) triculata (Fuchs)
USNM PAL220569 A. Boucot 1957-00-00
Germany
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL126119 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Strophodonta proteus Imbrie
USNM PAL124370 Cooper & Cooper
United States, Michigan, Alpena County
USNM:PAL
Strophodonta punctilifera Conrad
USNM PAL13802A C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220673 A. Boucot 1957-00-00
Wales, Llandovery District
USNM:PAL
Douvillina sp 2 (Hall)
USNM PAL204951 R. Flower
United States, New Mexico
USNM:PAL
Leptostrophia beckii (Hall)
USNM PAL156984 Murphy
United States, Nevada, Eureka County
USNM:PAL
Mesodouvillina (Protocymostrophia) Harper & Boucot
USNM PAL220580 A. Boucot
Poland
USNM:PAL
Leptostrophia becki (Hall)
USNM PAL97721A Butts & Edmundson
United States, Virginia, Highland County
USNM:PAL
Leptodontella caudata (Schnur)
USNM PAL116391C
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220775
United States, Michigan, Alpena County
USNM:PAL
Protoleptostrophia lirella Imbrie
USNM PAL124362 Cooper & Cooper
United States, Michigan, Alpena County
USNM:PAL
Leptostrophia Boucot & Rumble
USNM PAL252053
United States, New Hampshire
USNM:PAL
Leptostrophia (Leptostrophiella) Harper & Boucot
USNM PAL220491 Robert 1965-00-00
Canada, Quebec
USNM:PAL
Costistrophonella lineolata (Dunbar)
USNM PAL642050
United States, Tennessee
USNM:PAL
Douvillina arcuata (Hall)
USNM PAL220626
United States, Iowa
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171338 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Strophodonta canace Hall & Whitfield
USNM PAL14010B A. Hague
United States, Nevada, White Pine District
USNM:PAL
Strophodonta demissa (Conrad)
USNM PAL220786
Canada, Ontario
USNM:PAL
Douvillina cayuta (Hall)
USNM PAL177106 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220676 A. Boucot 1957-00-00
Great Britain
USNM:PAL
Strophodonta heteromys Imbrie
USNM PAL124248 Cooper & Cooper
United States, Michigan, Charlevoix County
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140063
USNM:PAL
Douvillina mucronata (Hall)
USNM PAL98035A Butts Et Al
United States, Virginia, Bath County
USNM:PAL
Protoleptostrophia perplana (Conrad)
USNM PAL220518
United States, Indiana, Jefferson County
USNM:PAL
Strophonella (Amphistrophia) continens Clarke
USNM PAL56697
USNM:PAL
Leptostrophia Boucot
USNM PAL126677 R. Finks
United States, New York, Orange County
USNM:PAL
Strophodonta tenuicosta Imbrie
USNM PAL124283 Unknown
United States, Michigan, Emmet County
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL220684
United States, Utah
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140077
USNM:PAL
Strophodonta umbonata Cooper & Dutro
USNM PAL201084B C. Branson
United States, New Mexico
USNM:PAL
Mesodouvillina costatuloides Johnson et al.
USNM PAL171342 M. Murphy 1966-00-00
United States, Nevada, Eureka County
USNM:PAL
Brachyprion (Brachyprion) mirabilis Johnson
USNM PAL156926 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Leptostrophia (Leptostrophia) magnifica (Hall)
USNM PAL220504 A. Perdew
United States, Maryland
USNM:PAL
Leptostrophia Boucot
USNM PAL126118 A. Boucot 1950-08-00
United States, Maine, Somerset County
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220765 Cooper & Cloud 1937-00-00
United States, Michigan, Alpena County
USNM:PAL
Strophodonta perplana (Conrad)
USNM PAL13796A C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Strophodonta fissicosta Winchell
USNM PAL124278 Unknown
United States, Michigan, Emmet County
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491110
Canada, Newfoundland
USNM:PAL
Leptostrophia sp a Johnson
USNM PAL156976 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL156910 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Megastrophia (Megastrophiella) iddingsi (Merriam)
USNM PAL96370
USNM:PAL
Strophoprion euglypha (Dalman)
USNM PAL220942 A. Boucot 1956-00-00
Sweden, Gotland
USNM:PAL
Brachyprion attenuata Amsden
USNM PAL164807 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Strophodonta demissa (Conrad)
USNM PAL220779 G. Cooper 1953-00-00
United States, Ohio
USNM:PAL
Mesodouvillina Boucot & Thompson
USNM PAL140068
USNM:PAL
Costistrophonella lineolata (Dunbar)
USNM PAL27784A C. Schuchert 1897-00-00
United States, Tennessee, Benton County
USNM:PAL
Strophonella dixoni Foerste
USNM PAL86970
USNM:PAL
Leptostrophia Boucot & Thompson
USNM PAL140071
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491107
Canada, Newfoundland
USNM:PAL
Strophodonta Harper & Boucot
USNM PAL220776
United States, Michigan, Alpena County
USNM:PAL
Leptostrophia (Leptostrophia) magnifica (Hall)
USNM PAL126142 A. Boucot 1949-08-27
United States, Maine, Somerset County
USNM:PAL
Leptostrophia inequicostella Johnson
USNM PAL156981 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491111
Canada, Newfoundland
USNM:PAL
Brachyprion (Protomegastrophia) Harper & Boucot
USNM PAL220664 A. Boucot 1956-00-00
Sweden, Gotland, Tofta Parish
USNM:PAL
Brachyprion (Eomegastrophia) geniculata (Waite)
USNM PAL220689
United States, Utah
USNM:PAL
Brachyprion robustum Twenhofel
USNM PAL491114
Canada, Newfoundland
USNM:PAL
Brachyprion (Brachyprion) mirabilis Johnson
USNM PAL156925 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Strophonella punctulifera (Conrad)
USNM PAL236783
United States, Nevada
USNM:PAL
Strophodonta acris Imbrie
USNM PAL124372 Cooper & Cooper
United States, Michigan, Presque Isle County
USNM:PAL
Leptostrophia sp d Johnson
USNM PAL156974 A. Boucot
United States, Nevada, Eureka County
USNM:PAL
Brachyprion (Protomegastrophia) semiglobosa (Davidson)
USNM PAL220674 A. Boucot 1957-00-00
Wales, Llandovery District
USNM:PAL
Dictyostrophia cooperi Caster
USNM PAL220647 Mobil International Oil Co.,Exploration Div. 1959-00-00
Colombia
USNM:PAL
Douvillina cayuta var. graciliora Clarke & Swartz
USNM PAL177112 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Brachyprion attenuata Amsden
USNM PAL164806 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Strophodonta demissa (Conrad)
USNM PAL220764