USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91688A C. Walcott
Canada, Alberta
USNM:PAL
Palaeostrophia perilla (Walcott)
USNM PAL69775
USNM:PAL
Syntrophopsis transversa Ulrich & Cooper
USNM PAL91168B E. Kirk
United States, Utah
USNM:PAL
Rhysostrophia transversa Ulrich & Cooper
USNM PAL91175C
USNM:PAL
Palaeostrophia elax (Clark)
USNM PAL91130C E. Ulrich
United States, Vermont, Milton Twp
USNM:PAL
Plectotrophia bridgei Ulrich & Cooper
USNM PAL91335H
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL92884D
USNM:PAL
Rhysostrophia occidentalis Ulrich & Cooper
USNM PAL91174A
USNM:PAL
Hesperotrophia obscura Ulrich & Cooper
USNM PAL92882J C. Walcott
Canada, Alberta
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL91172
USNM:PAL
Tetralobula quadrata Ulrich & Cooper
USNM PAL91096A Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Syntrophopsis vetusta Ulrich & Cooper
USNM PAL92881B Ulrich Et Al 1934-00-00
Canada, Quebec, Stanbridge Twp
USNM:PAL
Syntrophopsis australis Ulrich & Cooper
USNM PAL71447A
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL92884B E. Kirk
United States, Nevada
USNM:PAL
Tetralobula coloradoensis Ulrich & Cooper
USNM PAL91103C L. Burling
United States, Colorado
USNM:PAL
Tetralobula tenuimusculata Sando
USNM PAL146218
USNM:PAL
Rhysostrophia sp 2 Cooper
USNM PAL117162A Kindle
Canada, Newfoundland
USNM:PAL
Rhysostrophia transversa Ulrich & Cooper
USNM PAL91175B
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL91334D C. Drake 1930-00-00
United States, Texas, Burnet County
USNM:PAL
Syntrophopsis cassinensis Ulrich & Cooper
USNM PAL91120C
USNM:PAL
Syntrophopsis landmani Ulrich & Cooper
USNM PAL91144D Ulrich Et Al 1934-00-00
Canada, Quebec, Stanbridge Twp
USNM:PAL
Tetralobula texana Ulrich & Cooper
USNM PAL92874E J. Bridge 1934-11-25
United States, Texas
USNM:PAL
Palaeostrophia rotundata (Walcott)
USNM PAL52493A
USNM:PAL
Tetralobula quadrata Ulrich & Cooper
USNM PAL91096D
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL91334B C. Drake 1930-00-00
United States, Texas, Burnet County
USNM:PAL
Syntrophopsis obscura (Hall & Whitfield)
USNM PAL91154H C. Walcott
Canada, Alberta
USNM:PAL
Tetralobula transversa Ulrich & Cooper
USNM PAL91098B Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Tetralobula tenuimusculata Sando
USNM PAL146181
USNM:PAL
Tetralobula dorsosulcata Ulrich & Cooper
USNM PAL91101C Stanton & Wallace 1921-07-25
United States, Colorado
USNM:PAL
Tetralobula dorsosulcata Ulrich & Cooper
USNM PAL91101D Stanton & Wallace 1921-07-25
United States, Colorado
USNM:PAL
Tetralobula imbricata Ulrich & Cooper
USNM PAL91105B
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL52466D
USNM:PAL
Syntrophopsis arkansasensis Ulrich & Cooper
USNM PAL92897B H. Dickhaut
United States, Arkansas, Lawrence County
USNM:PAL
Palaeostrophia elax (Clark)
USNM PAL91130A E. Ulrich
United States, Vermont, Milton Twp
USNM:PAL
Tetralobula texana Ulrich & Cooper
USNM PAL92874C J. Bridge 1934-11-25
United States, Texas
USNM:PAL
Palaeostrophia orthia (Walcott)
USNM PAL52561A
USNM:PAL
Tetralobula quadrata Ulrich & Cooper
USNM PAL91096B
USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91686I E. Kirk 1928-07-05
United States, Nevada, Eureka District
USNM:PAL
Syntrophopsis laevicula Ulrich & Cooper
USNM PAL92896 E. Ulrich
United States, Oklahoma
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL92884A
USNM:PAL
Tetralobula texana Ulrich & Cooper
USNM PAL92874B J. Bridge 1934-11-25
United States, Texas
USNM:PAL
Syntrophopsis obscura (Hall & Whitfield)
USNM PAL91154D C. Walcott
Canada, Alberta
USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91688D C. Walcott
Canada, Alberta
USNM:PAL
Tetralobula imbricata Ulrich & Cooper
USNM PAL91105A
USNM:PAL
Syntrophopsis landmani Ulrich & Cooper
USNM PAL91144B Ulrich Et Al 1934-00-00
Canada, Quebec, Stanbridge Twp
USNM:PAL
Tetralobula delicatula Ulrich & Cooper
USNM PAL91094K Butts, Cooper & Mesler
United States, Virginia
USNM:PAL
Palaeostrophia elax (Clark)
USNM PAL116751
USNM:PAL
Palaeostrophia orthia (Walcott)
USNM PAL52562A
USNM:PAL
Syntrophopsis polita Ulrich & Cooper
USNM PAL91166 E. Kirk
United States, Nevada
USNM:PAL
Syntrophopsis transversa Ulrich & Cooper
USNM PAL91168A E. Kirk
United States, Utah
USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91688 C. Walcott
Canada, Alberta
USNM:PAL
Rhysostrophia sp 2 Cooper
USNM PAL117162B Kindle
Canada, Newfoundland
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL91172 E. Kirk
United States, Nevada
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL92884E
USNM:PAL
Syntrophopsis obscura (Hall & Whitfield)
USNM PAL91154C C. Walcott
Canada, Alberta
USNM:PAL
Plectotrophia juba (Walcott)
USNM PAL69790
USNM:PAL
Plectotrophia bridgei Ulrich & Cooper
USNM PAL91335I J. Bridge 1934-10-12
United States, Texas
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL185495
United States, Texas, San Saba County
USNM:PAL
Plectotrophia icetas (Walcott)
USNM PAL69795
USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91686A
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL91334A C. Drake 1930-00-00
United States, Texas, Burnet County
USNM:PAL
Hesperotrophia obscura Ulrich & Cooper
USNM PAL92882A C. Walcott
Canada, Alberta
USNM:PAL
Tetralobula quadrata Ulrich & Cooper
USNM PAL91096B Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Tetralobula texana Ulrich & Cooper
USNM PAL92874D J. Bridge 1934-11-25
United States, Texas
USNM:PAL
Tetralobula imbricata Ulrich & Cooper
USNM PAL91105A Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Syntrophopsis transversa Ulrich & Cooper
USNM PAL91169 C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Tetralobula newberryi (Walcott)
USNM PAL52350A
USNM:PAL
Palaeostrophia perilla (Walcott)
USNM PAL69778
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL185493
United States, Texas, Llano County
USNM:PAL
Plectotrophia bridgei Ulrich & Cooper
USNM PAL91335B J. Bridge 1934-10-12
United States, Texas
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL160813 R. Ross
United States, Nevada, Nye County
USNM:PAL
Rhysostrophia nevadensis Ulrich & Cooper
USNM PAL92884C E. Kirk
United States, Nevada
USNM:PAL
Syntrophopsis obscura (Hall & Whitfield)
USNM PAL17277
USNM:PAL
Tetralobula quadrata Ulrich & Cooper
USNM PAL91096A
USNM:PAL
Syntrophopsis obscura (Hall & Whitfield)
USNM PAL91154A C. Walcott
Canada, Alberta
USNM:PAL
Tetralobula coloradoensis Ulrich & Cooper
USNM PAL140841B Shell Development Co.
United States, Montana, Wibaux County
USNM:PAL
Palaeostrophia rotundata (Walcott)
USNM PAL52493D
USNM:PAL
Syntrophopsis cassinensis Ulrich & Cooper
USNM PAL91120B W. Rust 1887-00-00
United States, Vermont
USNM:PAL
Rhysostrophia transversa Ulrich & Cooper
USNM PAL91175A
USNM:PAL
Tetralobula newberryi (Walcott)
USNM PAL52350D
USNM:PAL
Syntrophopsis vetusta Ulrich & Cooper
USNM PAL92881A Ulrich Et Al 1934-00-00
Canada, Quebec, Stanbridge Twp
USNM:PAL
Palaeostrophia rotundata (Walcott)
USNM PAL52493F
USNM:PAL
Syntrophopsis minor Ulrich & Cooper
USNM PAL91150B H. Dickhaut
United States, Arkansas, Lawrence County
USNM:PAL
Tetralobula delicatula Ulrich & Cooper
USNM PAL91094H
USNM:PAL
Tetralobula transversa Ulrich & Cooper
USNM PAL91098E
USNM:PAL
Punctolira punctolira Ulrich & Cooper
USNM PAL91686 E. Kirk 1928-07-05
United States, Nevada, Eureka District
USNM:PAL
Plectotrophia laticosta Cooper
USNM PAL117951
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL52466C
USNM:PAL
Tetralobula delicatula Ulrich & Cooper
USNM PAL91094F
USNM:PAL
Syntrophopsis landmani Ulrich & Cooper
USNM PAL91144A Ulrich Et Al 1934-00-00
Canada, Quebec, Stanbridge Twp
USNM:PAL
Plectotrophia bridgei Ulrich & Cooper
USNM PAL91335K
USNM:PAL
Rhysostrophia occidentalis Ulrich & Cooper
USNM PAL91174
USNM:PAL
Plectotrophia alata (Walcott)
USNM PAL52466A
USNM:PAL
Tetralobula delicatula Ulrich & Cooper
USNM PAL91094F
USNM:PAL
Cuparius Ross
USNM PAL167202 Ross 1966-00-00
United States, Nevada
USNM:PAL
Syntrophopsis minor Ulrich & Cooper
USNM PAL91150C H. Dickhaut
United States, Arkansas, Lawrence County
USNM:PAL
Palaeostrophia elax (Clark)
USNM PAL91128A C. Walcott
Canada, Quebec
USNM:PAL
Syntrophopsis arkansasensis Ulrich & Cooper
USNM PAL92897A H. Dickhaut
United States, Arkansas, Lawrence County
USNM:PAL
Syntrophopsis magna Ulrich & Cooper
USNM PAL91142 G. Kay 1931-08-00
United States, Alabama, St. Clair County
USNM:PAL
Tetralobula delicatula Ulrich & Cooper
USNM PAL91094G Butts, Cooper & Mesler
United States, Virginia