USNM:PAL
Orthis subjugata (Hall)
USNM PAL17885
USNM:PAL
Dalmanella costellata Cooper
USNM PAL117359F Cooper & Loeblich
United States, Virginia
USNM:PAL
Cariniferella carinata (Hall)
USNM PAL98026E Butts Et Al
United States, Virginia, Bath County
USNM:PAL
Dalmanella sulcata Cooper
USNM PAL155526 E. Yochelson
United States, Kentucky, Franklin County
USNM:PAL
Orthis minuscula Phleger
USNM PAL91310A E. Kirk 1928-00-00
United States, Nevada
USNM:PAL
Orthis (Orusia) lenticularis Wahlenberg
USNM PAL52402
USNM:PAL
Orthis (Plectorthis) remnicha texana Walcott
USNM PAL52369B C. Walcott
United States, Texas, Burnet County
USNM:PAL
Protocortezorthis windmillensis Johnson & Talent
USNM PAL147343 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Levenea navicula Johnson
USNM PAL156777 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Onniella meeki (Miller)
USNM PAL40462
USNM:PAL
Parmorthis brownsportensis Amsden
USNM PAL115286 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Orthis (Plectorthis) indianola Walcott
USNM PAL52344 E. Ulrich
United States, Oklahoma
USNM:PAL
Dalmanella sulcata Cooper
USNM PAL155531 E. Yochelson
United States, Kentucky, Franklin County
USNM:PAL
Orthis macfarlani Meek
USNM PAL5901B
USNM:PAL
Orthis (Plectorthis) desmopleura Meek
USNM PAL91191G
USNM:PAL
Orthis (Plectorthis) wimani Walcott
USNM PAL52313A
Norway
USNM:PAL
Orthis (Plectorthis) remnicha texana Walcott
USNM PAL52369E C. Walcott
United States, Texas, Burnet County
USNM:PAL
Orthis (Plectorthis) desmopleura nympha Meek
USNM PAL52333B C. Walcott
United States, Wyoming, Sheridan County
USNM:PAL
Onniella quadrata variata Howe
USNM PAL144968
USNM:PAL
Muriferella masurskyi Johnson & Talent
USNM PAL156831 Boucot Et Al
United States, Nevada, Eureka County
USNM:PAL
Diceromyonia ignota (Sardeson)
USNM PAL154111
USNM:PAL
Orthis (Plectorthis) pagoda Walcott
USNM PAL52552E Blackwelder
China, Shantung
USNM:PAL
Resserella rogata (Sardeson)
USNM PAL111794 Cooper & Cooper
United States, Virginia, Bland County
USNM:PAL
Tyersella jubar Johnson et al.
USNM PAL171441 1961-00-00
United States, Nevada, Eureka County
USNM:PAL
Isorthis sp c Boucot & Johnson
USNM PAL164682 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Orthis pogonipensis Hall & Whitfield
USNM PAL17242B A. Brown
United States, Nevada, White Pine District
USNM:PAL
Howellites Cooper
USNM PAL83859A Bancroft
Wales, Montgomery
USNM:PAL
Dalmanella costellata Cooper
USNM PAL117360 Cooper Et Al
United States, Virginia
USNM:PAL
Levenea sp a Johnson
USNM PAL156763 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Resserella Amsden
USNM PAL158164 E. Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Orthis macfarlani Meek
USNM PAL24421A
USNM:PAL
Dalmanella sulcata Cooper
USNM PAL117365L G. Cooper
United States, Tennessee
USNM:PAL
Dalmanella meeki (Miller)
USNM PAL258450
United States, Kentucky
USNM:PAL
Tyersella jubar Johnson et al.
USNM PAL171435 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Orthis harttii Rathbun
USNM PAL24363
USNM:PAL
Orthis morganiana Derby
USNM PAL174511 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Orthis disparilis (Conrad)
USNM PAL17887
USNM:PAL
Orthis michaelis Clark
USNM PAL91316A E. Kirk
United States, Utah
USNM:PAL
Dalmanella crassicostellata Cooper
USNM PAL117361A Cooper & Cooper
United States, Tennessee
USNM:PAL
Dalmanella tioga (Hall)
USNM PAL88287
USNM:PAL
Dalmanella sulcata Cooper
USNM PAL117365F G. Cooper
United States, Tennessee
USNM:PAL
Orthis morganiana Derby
USNM PAL174539 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Orthis nisis Hall
USNM PAL51347
USNM:PAL
Howellites Neuman
USNM PAL159957
United States, Maine, Aroostook County
USNM:PAL
Muriferella masurskyi Johnson & Talent
USNM PAL162012
USNM:PAL
Orthis tulliensis Vanuxem
USNM PAL13784 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Isorthis sp d Boucot & Johnson
USNM PAL164676 R. Shagam 1962-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Resserella Boucot
USNM PAL125777 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Dalmanella edsoni Bassler
USNM PAL66170
USNM:PAL
Protocortezorthis windmillensis Johnson & Talent
USNM PAL147343
USNM:PAL
Orthis biforata (Eichwald)
USNM PAL51348
USNM:PAL
Orthis penniana Derby
USNM PAL174590 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Parmorthis brownsportensis Amsden
USNM PAL115285 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Orthis highlandensis Walcott
USNM PAL15355B U.S. Geological Survey
United States, Nevada, Lincoln County
USNM:PAL
Orthis (Plectorthis) remnicha Winchell
USNM PAL52354A
United States, Wyoming
USNM:PAL
Orthis (Plectorthis) desmopleura Meek
USNM PAL91191D
USNM:PAL
Orthis (Hebertella) borealis Billings
USNM PAL28151
USNM:PAL
Resserella Boucot & Johnson
USNM PAL164655 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Orthis biforata var. lynx (Eichwald)
USNM PAL8547A Wheeler Survey 1871-00-00
United States, New Mexico
USNM:PAL
Orthis (Plectorthis) wichitaensis Walcott
USNM PAL52384H
United States, Oklahoma
USNM:PAL
Orthis paucicostata Ulrich & Cooper
USNM PAL92842E G. Cooper
United States, Nevada
USNM:PAL
Diceromyonia ignota (Sardeson)
USNM PAL124849
USNM:PAL
Orthis (Plectorthis) agreste Walcott
USNM PAL52545A E. Blackwelder 1903-10-29
China
USNM:PAL
Dalmanella edsoni Butts
USNM PAL97548A C. Butts
United States, Virginia, Shenandoah County
USNM:PAL
Orthis (Plectorthis) remnicha sulcata Walcott
USNM PAL52365A Curtice
United States, Wisconsin, Jefferson County
USNM:PAL
Eremotrema biconvexum Cooper
USNM PAL117347B B. Cooper
United States, Virginia
USNM:PAL
Levenea navicula Johnson
USNM PAL156774 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Orthis (Plectorthis) remnicha texana Walcott
USNM PAL52370B Ulrich & Mesler
United States, Oklahoma
USNM:PAL
Dalmanella danbyi Williams
USNM PAL88291
USNM:PAL
Paucicrura quadrata (Wang)
USNM PAL418131 HOWE LOC 5
United States, Tennessee
USNM:PAL
Dalmanella crassicostellata Cooper
USNM PAL117361F Cooper & Cooper
United States, Tennessee
USNM:PAL
Orthis (Plectorthis) desmopleura Meek
USNM PAL91191
USNM:PAL
Protocortezorthis windmillensis Johnson & Talent
USNM PAL147340 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Dedzetina Neuman
USNM PAL465181
United States, Maine, Aroostook County
USNM:PAL
Dalmanella meeki (Miller)
USNM PAL170354 C. Butts
United States, Tennessee
USNM:PAL
Protocortezorthis windmillensis Johnson & Talent
USNM PAL147339
USNM:PAL
Resserella canalis erecta Boucot et al.
USNM PAL409882 A. Boucot 1963-00-00
United States, California
USNM:PAL
Dalmanella sulcata Cooper
USNM PAL258427
United States, Kentucky
USNM:PAL
Tyersella jubar Johnson et al.
USNM PAL171433 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Isorthis mackenzi Walmsley
USNM PAL164673 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Dalmanella planoconvexa (Hall)
USNM PAL177508 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Paucicrura virginica Cooper
USNM PAL117368E G. Cooper
United States, Virginia
USNM:PAL
Isorthis sp c Boucot & Johnson
USNM PAL164678 W. Smith 1961-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Orthis aymara Salter
USNM PAL125133
USNM:PAL
Levenea navicula Johnson
USNM PAL156776 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Diceromyonia ignota (Sardeson)
USNM PAL124847
USNM:PAL
Isorthis Boucot
USNM PAL160117
United States, Maine, Somerset County
USNM:PAL
Resserella Boucot
USNM PAL125772 A. Boucot 1952-08-26
United States, Maine, Somerset County
USNM:PAL
Resserella Boucot & Thompson
USNM PAL139949
USNM:PAL
Dalmanella bassleri Foerste
USNM PAL155549 A. Foerste
United States, Indiana
USNM:PAL
Diceromyonia tersa (Sardeson)
USNM PAL133273 Ross 1955-00-00
United States, Idaho, Butte County
USNM:PAL
Dalmanella bassleri Foerste
USNM PAL258433
United States, Kentucky
USNM:PAL
Dalmanella stonensis (Safford)
USNM PAL71526 C. Butts
United States, Alabama
USNM:PAL
Orthis (Plectorthis) Ulrich & Cooper
USNM PAL92840F C. Walcott 1880-00-00
United States, Nevada
USNM:PAL
Orthis morganiana Derby
USNM PAL174514 C. Hartt & O. Derby
Brazil, Para
USNM:PAL
Dalmanella bassleri Foerste
USNM PAL258432
United States, Kentucky
USNM:PAL
Tyersella jubar Johnson et al.
USNM PAL171448 1961-00-00
United States, Nevada, Eureka County
USNM:PAL
Diceromyonia tersa (Sardeson)
USNM PAL418130 HOWE LOC 5
United States, Tennessee
USNM:PAL
Orthis (Plectorthis) desmopleura Meek
USNM PAL91191B
USNM:PAL
Paucicrura rogata (Sardeson)
USNM PAL48701A E. Ulrich
United States, Minnesota, Goodhue County