USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441309
United States, Arkansas, Howard County
USNM:PAL
USNM PAL482456l W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445106
United States, Delaware, New Castle County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501721 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL445412
United States, Delaware
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501718
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475038
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475023
United States, Texas, Travis County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482419 Gill, Schultz & Cobban 1960-00-00
United States, Montana, Rosebud County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475027
United States, Texas, Travis County
USNM:PAL
USNM PAL482456r W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL482456n W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441320
United States, Arkansas, Howard County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488804 Meek & Hayden
United States, South Dakota
USNM:PAL
USNM PAL482456a W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL475033
United States, Texas, Travis County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482417 F. Jensen 1950-00-00
United States, Montana, Valley County
USNM:PAL
USNM PAL450331
United States, Delaware
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501738 G. Gilbert 1893-00-00
United States, Colorado, Pueblo County
USNM:PAL
USNM PAL482451 Gill, Schultz & Cobban 1955-00-00
United States, Montana, Rosebud County
USNM:PAL
USNM PAL482456j W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL501715 1956-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482431 1954-00-00
United States, Wyoming, Converse County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445155
United States, Nebraska
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482434 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras draconis (Stephenson)
USNM PAL476082 Scott & Cobban 1957-00-00
United States, Colorado, Grand County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488811
United States, South Dakota
USNM:PAL
Didymoceras donezianum (Mikhailov)
USNM PAL441334
United States, Arkansas, Howard County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475029
United States, Texas, Travis County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445100
United States, Delaware, New Castle County
USNM:PAL
USNM PAL482456s W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL450330
United States, Delaware
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441373
United States, Arkansas, Howard County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445317 L. Stephenson 1916-00-00
United States, Arkansas, Howard County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449407
United States, Tennessee, McNairy County
USNM:PAL
USNM PAL445187 R. Heintz
United States, New Jersey, Monmouth County
USNM:PAL
USNM PAL482449 Scott & Cobban 1957-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441314
United States, Arkansas, Howard County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445321 Clardy & Bush 1971-00-00
United States, Arkansas, Hempstead County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441313
United States, Arkansas, Howard County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501737
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL445411
United States, Delaware
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441315
United States, Arkansas, Howard County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL441367
United States, Arkansas, Howard County
USNM:PAL
Didymoceras binodosum (Kennedy & Cobban)
USNM PAL475032
United States, Texas, Travis County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501726 H. Mendryk 1972-00-00
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras donezianum (Mikhailov)
USNM PAL441376
United States, Arkansas, Howard County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445318 L. Stephenson 1916-00-00
United States, Arkansas, Howard County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482435 O. Mueller 1949-00-00
United States, Montana, Garfield County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475024
United States, Texas, Travis County
USNM:PAL
USNM PAL445414
United States, Delaware
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL441364
United States, Arkansas, Howard County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482427 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482450 Scott & Cobban 1955-00-00
United States, New York, Weston County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482467 R. Dunham 1954-00-00
United States, Nebraska, Dawes County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482463 Scott & Cobban 1958-00-00
United States, Montana, Larimer County
USNM:PAL
USNM PAL482456i W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501730 Tourtelot Et Al
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras cheyennense (Meek & Hayden)
USNM PAL445103
United States, Colorado, Pueblo County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488805 Meek & Hayden
United States, South Dakota
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488813
United States, South Dakota
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482423 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501735 G. Scott 1955-00-00
United States, Colorado, Jefferson County
USNM:PAL
Didymoceras platycostatum (Kennedy & Cobban)
USNM PAL450344
United States, Delaware
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445325 Clardy & Bush 1971-00-00
United States, Arkansas, Hempstead County
USNM:PAL
USNM PAL482440 Scott & Cobban 1957-00-00
United States, Wyoming, Albany County
USNM:PAL
USNM PAL445199 W. Cokely C50-7 1979-01-30
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras cochleatum (Meek & Hayden)
USNM PAL488807
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475025
United States, Texas, Travis County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501746 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL482453 Scott & Cobban 1957-00-00
United States, Wyoming, Albany County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482422 Gill, Schultz & Cobban 1960-00-00
United States, Montana, Rosebud County
USNM:PAL
USNM PAL482439 J. Reeside, Christner & Cobban 1950-00-00
United States, Wyoming, Albany County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449411
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL182527 H. Mendryk
United States, New Jersey, Monmouth County
USNM:PAL
Didymoceras cheyennense Meek & Hayden
USNM PAL482460A Scott & Cobban 1960-00-00
United States, Colorado, Boulder County
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501725 Tourtelot Et Al 1957-00-00
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras hornbyense (Whiteaves)
USNM PAL131196 G. Martin 1913-00-00
United States, Alaska
USNM:PAL
Didymoceras draconis (Stephenson)
USNM PAL476081 Scott & Cobban 1957-00-00
United States, Colorado, Grand County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441312
United States, Arkansas, Howard County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482426 J. Reeside, Moore & Cobban 1949-00-00
United States, Montana, Carter County
USNM:PAL
USNM PAL482456g W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
USNM PAL445417
United States, Montana, Carter County
USNM:PAL
Didymoceras draconis (Stephenson)
USNM PAL476085 Scott & Cobban 1957-00-00
United States, Colorado, Grand County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL445323 Clardy Et Al 1974-00-00
United States, Arkansas
USNM:PAL
Didymoceras wrighti Kennedy et al.
USNM PAL501731 Tourtelot Et Al
United States, Wyoming, Niobrara County
USNM:PAL
Didymoceras binodosum Kennedy & Cobban
USNM PAL475036
United States, Texas, Travis County
USNM:PAL
USNM PAL482441 W. Mapel 1955-00-00
United States, Wyoming, Weston County
USNM:PAL
Didymoceras jorgenseni Kennedy et al.
USNM PAL501740 G. Gilbert 1893-00-00
United States, Colorado, Pueblo County
USNM:PAL
Didymoceras donezianum (Mikhailov)
USNM PAL441377
United States, Arkansas, Howard County
USNM:PAL
Didymoceras mortoni (Hall & Meek)
USNM PAL441311
United States, Arkansas, Howard County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441354
United States, Arkansas, Howard County
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482424 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
USNM PAL317100 W. Beck
United States, Delaware, New Castle County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441357
United States, Arkansas, Howard County
USNM:PAL
Didymoceras tortum (Meek & Hayden)
USNM PAL441381
United States, South Dakota
USNM:PAL
Didymoceras nebrascense (Meek & Hayden)
USNM PAL482428 Scott & Cobban 1957-00-00
United States, South Dakota, Fall River County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449408
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras navarroense (Shumard)
USNM PAL449412
United States, Tennessee, McNairy County
USNM:PAL
Didymoceras aurarium Cobban et al.
USNM PAL476086 G. Scott 1960-00-00
United States, Colorado, Larimer County