USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91320A
USNM:PAL
Orthambonites occidentalis Cooper
USNM PAL109807B G. Cooper
United States, Nevada
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL91310D
USNM:PAL
Archaeorthis costellata Ulrich & Cooper
USNM PAL91447B E. Kirk
United States, Nevada
USNM:PAL
Orthambonites friendsvillensis Cooper
USNM PAL109827C R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Orthambonites buttsi (Schuchert & Cooper)
USNM PAL116870A C. Butts
United States, Alabama
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145666
United States, Nevada
USNM:PAL
Orthostrophella monitorensis Johnson
USNM PAL156757 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91461A G. Cooper 1934-00-00
Canada, Quebec
USNM:PAL
Orthambonites parvicrassicostatus Cooper
USNM PAL116871B G. Cooper
United States, Virginia
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187741 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Orthambonites rotundiformis Cooper
USNM PAL109843A Bridge, Butts & Cooper
United States, Tennessee
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145671
United States, Nevada
USNM:PAL
Orthambonites parvicrassicostatus Cooper
USNM PAL116871A G. Cooper
United States, Virginia
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL160798A R. Ross-Jr.
United States, Nevada, Nye County
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875H
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187745 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116891A G. Cooper
United States, Tennessee
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187742 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Archaeorthis canadensis Ulrich & Cooper
USNM PAL91444E Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Archaeorthis occidens Ulrich & Cooper
USNM PAL91467A C. Walcott
Canada, Alberta
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91316B
USNM:PAL
Orthambonites tenuicostatus Cooper
USNM PAL116875A G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites buttsi (Schuchert & Cooper)
USNM PAL71497
USNM:PAL
Archaeorthis parviuscula Ulrich & Cooper
USNM PAL91470C C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Orthambonites mostellerensis Cooper
USNM PAL109810E C. Butts
United States, Alabama
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145679
United States, Nevada
USNM:PAL
Cyrtonotella grandistriata (Willard)
USNM PAL109857 Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145673
United States, Nevada
USNM:PAL
Orthambonites bellus Cooper
USNM PAL109799C G. Cooper
United States, Virginia, Bland County
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL162056D R. Ross-Jr.
United States, Nevada, Nye County
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109863 G. Cooper
United States, Virginia
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187743 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Orthostrophia dixoni Foerste
USNM PAL86990
USNM:PAL
Orthambonites brachiophorus Cooper
USNM PAL109835A Bridge & Cooper
United States, Virginia
USNM:PAL
Archaeorthis canadensis Ulrich & Cooper
USNM PAL91444F
USNM:PAL
Orthambonites tenuicostatus Cooper
USNM PAL116875C G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites dinorthoides Cooper
USNM PAL109822B A. Loeblich
United States, Oklahoma, Murray County
USNM:PAL
Orthambonites tennesseensis Cooper
USNM PAL116881 G. Cooper
United States, Virginia
USNM:PAL
Orthambonites decipiens (Phleger)
USNM PAL145661
United States, California
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874H G. Cooper
United States, Tennessee
USNM:PAL
Orthambonites dinorthoides Cooper
USNM PAL109821D A. Loeblich
United States, Oklahoma, Murray County
USNM:PAL
Orthambonites robustus Neuman
USNM PAL143668
USNM:PAL
Cyrtonotella subplana Cooper
USNM PAL109860C G. Cooper
United States, Virginia
USNM:PAL
Archaeorthis parviuscula Ulrich & Cooper
USNM PAL91470D C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874O G. Cooper
United States, Tennessee
USNM:PAL
Cyrtonotella minor Cooper
USNM PAL116900B G. Cooper
United States, Tennessee
USNM:PAL
Orthostrophella monitorensis Johnson
USNM PAL156761 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL117984C G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109868D G. Cooper
United States, Virginia, Bland County
USNM:PAL
Orthambonites brachiophorus Cooper
USNM PAL109835E Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites divaricatus Cooper
USNM PAL109838 Bridge & Cooper
United States, Virginia
USNM:PAL
Cyrtonotella grandistriata (Willard)
USNM PAL109854A Bridge & Cooper
United States, Virginia
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116889B A. Loeblich
United States, Alabama
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109868C G. Cooper
United States, Virginia, Bland County
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL117984A G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109870 C. Butts
United States, Virginia
USNM:PAL
Cyrtonotella sp 1 Cooper
USNM PAL109867C E. Ulrich
United States, Virginia
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109870C C. Butts
United States, Virginia
USNM:PAL
Orthambonites blountensis Cooper
USNM PAL109812C R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Orthambonites parvicrassicostatus Cooper
USNM PAL116872C Cooper & Cooper
United States, Virginia
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91461B G. Cooper 1934-00-00
Canada, Quebec
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145668
United States, Nevada
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91320B
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL109883C Bridge & Cooper
United States, Virginia
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116889C A. Loeblich
United States, Alabama
USNM:PAL
Archaeorthis costellata Ulrich & Cooper
USNM PAL91447A E. Kirk
United States, Nevada
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874 G. Cooper
United States, Tennessee
USNM:PAL
Orthostrophia strophomenoides (Hall)
USNM PAL125789 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Orthambonites marshalli (Wilson)
USNM PAL160797B Reso & Ross 1963-00-00
United States, Nevada, Lincoln County
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875E
USNM:PAL
Orthambonites minutus Cooper
USNM PAL116883C A. Loeblich
United States, Oklahoma, Murray County
USNM:PAL
Cyrtonotella magna Cooper
USNM PAL116899A G. Cooper
United States, Tennessee
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875D
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109868E G. Cooper
United States, Virginia, Bland County
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109868A G. Cooper
United States, Virginia, Bland County
USNM:PAL
Orthostrophia strophomenoides (Hall)
USNM PAL125785 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Cyrtonotella bella (Schuchert & Cooper)
USNM PAL110349A G. Cooper
United States, Tennessee
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL158599 R. Ross-Jr. 1949-00-00
United States, Utah, Cache County
USNM:PAL
Orthambonites rotundiformis Cooper
USNM PAL109843C Bridge, Butts & Cooper
United States, Tennessee
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL160798B R. Ross-Jr.
United States, Nevada, Nye County
USNM:PAL
Orthambonites decipiens (Phleger)
USNM PAL145660
United States, California
USNM:PAL
Cyrtonotella magna Cooper
USNM PAL116897D G. Cooper
United States, Tennessee
USNM:PAL
Archaeorthis intermedia Ulrich & Cooper
USNM MO108193
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91320D
USNM:PAL
Orthambonites divaricatus Cooper
USNM PAL109838A Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites bellus Cooper
USNM PAL116866 G. Cooper
United States, Virginia
USNM:PAL
Orthostrophella monitorensis Johnson
USNM PAL156760 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Orthambonites brachiophorus Cooper
USNM PAL109835F Bridge & Cooper
United States, Virginia
USNM:PAL
Orthostrophia strophomenoides newberryi Merriam
USNM PAL159616
United States, Nevada
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116889 A. Loeblich
United States, Alabama
USNM:PAL
Orthambonites tennesseensis Cooper
USNM PAL116878B G. Cooper
United States, Tennessee
USNM:PAL
Orthostrophia newsomensis Foerste
USNM PAL87002
USNM:PAL
Cyrtonotella grandistriata (Willard)
USNM PAL109846B Bridge & Cooper
United States, Virginia
USNM:PAL
Orthostrophia brownsportensis Amsden
USNM PAL115271 A. Loeblich
United States, Oklahoma, Pontotoc County
USNM:PAL
Cyrtonotella grandistriata (Willard)
USNM PAL109854 Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites minutus Cooper
USNM PAL116883E A. Loeblich
United States, Oklahoma, Murray County
USNM:PAL
Archaeorthis parviuscula Ulrich & Cooper
USNM PAL91470B C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145667
United States, Nevada
USNM:PAL
Archaeorthis crassa Ulrich & Cooper
USNM PAL91455A E. Ulrich
United States, Vermont, Milton Twp