USNM:PAL
USNM PAL445416
United States, Colorado, Boulder County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441317
United States, Arkansas, Howard County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501742 1893-00-00
United States, Colorado, Pueblo County
USNM:PAL
USNM PAL482438 W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL445198 W. Cokely C50-7 1979-01-30
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501728 Tourtelot Et Al
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488809
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475021
United States, Texas, Travis County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501736 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482456d W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL482456e W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501750 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445101
United States, Delaware, New Castle County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449404
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445320 Clardy & Bush 1971-00-00
United States, Arkansas, Hempstead County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482466 Scott Et Al 1958-00-00
United States, Montana, Pueblo County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL441369
United States, South Dakota
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501717 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441353
United States, Arkansas, Howard County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501713 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482462 Scott & Cobban 1960-00-00
United States, Montana, Boulder County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL445383
United States, Delaware
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475028
United States, Texas, Travis County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501719 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482456o W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL482442 Scott & Cobban 1957-00-00
United States, Wyoming, Albany County
USNM:PAL
USNM PAL445194 LOC 15
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL445413
United States, Delaware
USNM:PAL
USNM PAL482456f W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482460B Scott & Cobban 1960-00-00
United States, Colorado, Boulder County
USNM:PAL
USNM PAL482437 1947-00-00
United States, Montana, Carter County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441310
United States, Arkansas, Howard County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501743
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL445382
United States, Delaware
USNM:PAL
USNM PAL482456p W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501747 1893-00-00
United States, Colorado, Pueblo County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482459 G. Scott 1954-00-00
United States, Colorado, Jefferson County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL450333 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL441370
United States, South Dakota
USNM:PAL
USNM PAL441347
United States, Arkansas, Howard County
USNM:PAL
USNM PAL445185 W. Cokely C50-7 1979-01-30
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449406
United States, Texas, Limestone County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482418 F. Jensen 1950-00-00
United States, Montana, Valley County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL519289 J. Gill 1958-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449414
United States, Tennessee, McNairy County
USNM:PAL
USNM PAL441361
United States, Arkansas, Howard County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482429 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445316 Clardy & Bush 1971-00-00
United States, Arkansas, Howard County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501729 Tourtelot Et Al
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482468 Scott & Cobban 1958-00-00
United States, Colorado, Larimer County
USNM:PAL
USNM PAL482436 S. Theodosis 1964-00-00
United States, Colorado, El Paso County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482421 Gill, Schultz & Cobban 1960-00-00
United States, Montana, Rosebud County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441358
United States, Arkansas, Howard County
USNM:PAL
USNM PAL482446 Scott & Cobban 1962-00-00
United States, Colorado, El Paso County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445104
United States, Delaware, New Castle County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445102
United States, Colorado, Park County
USNM:PAL
USNM PAL445190 R. Heintz H-2
United States, New Jersey
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482425 O. Mueller 1949-00-00
United States, Montana, Garfield County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449405
United States, Texas, Limestone County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475020
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475026 A. Crane
United States, Texas, Travis County
USNM:PAL
Didymoceras puebloense Cobban et al.
USNM PAL486634
United States, Colorado, Jackson County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL445099 R. Dunham 1954-00-00
United States, Nebraska, Dawes County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449403
United States, Texas, Limestone County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441355
United States, Arkansas, Howard County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449413
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482464 Scott & Cobban 1960-00-00
United States, Montana, Boulder County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL450343
United States, Delaware
USNM:PAL
USNM PAL482456h W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482433 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482465 Scott & Cobban 1958-00-00
United States, Montana, Larimer County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501732 Tourtelot Et Al 1957-00-00
United States, Wyoming, Niobrara County
USNM:PAL
USNM PAL482456c W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488806 Meek & Hayden
United States, South Dakota
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501714 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482445 Scott & Cobban 1957-00-00
United States, Colorado, Pueblo County
USNM:PAL
USNM PAL482454 Scott & Cobban 1957-00-00
United States, Wyoming, Albany County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501745 G. Gilbert 1893-00-00
United States, Colorado, Pueblo County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482420 Gill, Schultz & Cobban 1960-00-00
United States, Montana, Rosebud County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488803 Meek & Hayden
United States, South Dakota
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL441363
United States, Arkansas, Howard County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482458 Scott, Smith & Cobban 1956-00-00
United States, Colorado, Douglas County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL450334 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482448 W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475035
United States, Texas, Travis County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482461 1950-00-00
United States, Montana, Carter County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475037 A. Crane
United States, Texas, Travis County
USNM:PAL
USNM PAL445192 R. Heintz
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445099
United States, Nebraska, Dawes County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445324 Clardy Et Al 1974-00-00
United States, Arkansas
USNM:PAL
USNM PAL482456m W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras donezianum (Mikhailov)
USNM PAL441346
United States, Arkansas, Howard County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475022 A. Crane
United States, Texas, Travis County
USNM:PAL
Didymoceras aurarium Cobban et al.
USNM PAL476087 G. Scott 1960-00-00
United States, Colorado, Larimer County
USNM:PAL
Didymoceras draconis (Stephenson)
USNM PAL476084 W. Brown 1957-00-00
United States, Colorado, Grand County
USNM:PAL
USNM PAL445186 W. Cokely C50-7 1979-01-30
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras puebloense Cobban et al.
USNM PAL486631
United States, Colorado, Pueblo County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501733
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449409
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501727 Tourtelot Et Al
United States, Wyoming, Niobrara County