USNM:PAL
Cyrtonotella minor Cooper
USNM PAL116900A G. Cooper
United States, Tennessee
USNM:PAL
Orthostrophella clairensis (Thomas)
USNM PAL158099
United States, Arkansas, Independence County
USNM:PAL
Orthostrophella clairensis (Thomas)
USNM PAL158097
United States, Arkansas, Independence County
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL160798F R. Ross-Jr.
United States, Nevada, Nye County
USNM:PAL
Orthambonites marshalli (Wilson)
USNM PAL160797A Reso & Ross 1963-00-00
United States, Nevada, Lincoln County
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL116893B G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites robustus Neuman
USNM PAL143672H
USNM:PAL
Orthostrophia strophomenoides (Hall)
USNM PAL125792A A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Orthambonites paucicostatus (Ulrich & Cooper)
USNM PAL92842A
USNM:PAL
Cyrtonotella magna Cooper
USNM PAL116899 G. Cooper
United States, Tennessee
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL116892 G. Cooper
United States, Virginia
USNM:PAL
Orthambonites bifurcatus Cooper
USNM PAL116869 G. Cooper
United States, Nevada
USNM:PAL
Archaeorthis elongata Ulrich & Cooper
USNM PAL91457D
USNM:PAL
Orthambonites mostellerensis Cooper
USNM PAL109810B C. Butts
United States, Alabama
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874E G. Cooper
United States, Tennessee
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91460 Walcott Et Al 1883-00-00
Canada, Quebec
USNM:PAL
Orthambonites marshalli (Wilson)
USNM PAL160797F Reso & Ross 1963-00-00
United States, Nevada, Lincoln County
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91318A
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91462D Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875G
USNM:PAL
Orthambonites bifurcatus Cooper
USNM PAL109798G G. Cooper
United States, Nevada
USNM:PAL
Orthambonites buttsi (Schuchert & Cooper)
USNM PAL116870 C. Butts
United States, Alabama
USNM:PAL
Orthambonites decipiens (Phleger)
USNM PAL145659
United States, California
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL162056A R. Ross
United States, Nevada, Nye County
USNM:PAL
Orthostrophella clairensis (Thomas)
USNM PAL158090 Mesler & Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Orthambonites subconvexus Cooper
USNM PAL109844 Decker
United States, Oklahoma, Murray County
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91462C Ulrich Et Al 1934-07-00
Canada, Quebec
USNM:PAL
Cyrtonotella subquadrata Cooper
USNM PAL111803
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91318B
USNM:PAL
Orthambonites parvicrassicostatus Cooper
USNM PAL116872B Cooper & Cooper
United States, Virginia
USNM:PAL
Orthambonites tenuicostatus Cooper
USNM PAL116875D G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites bifurcatus Cooper
USNM PAL109798 G. Cooper
United States, Nevada
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875A
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91459 Ulrich Et Al
Canada, Quebec
USNM:PAL
Cyrtonotella subquadrata Cooper
USNM PAL116895 Cooper & Cooper
United States, Tennessee
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145665
United States, Nevada
USNM:PAL
Orthambonites blountensis Cooper
USNM PAL109812B R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Archaeorthis canadensis Ulrich & Cooper
USNM PAL91444G
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL158593 R. Ross-Jr. 1949-00-00
United States, Utah, Cache County
USNM:PAL
Orthambonites brachiophorus Cooper
USNM PAL109835D Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites rotundiformis Cooper
USNM PAL109840I Bridge, Butts & Cooper
United States, Tennessee
USNM:PAL
Orthambonites bielsteini Cooper
USNM PAL109803B Bielstein
United States, Virginia
USNM:PAL
Archaeorthis parviuscula Ulrich & Cooper
USNM PAL91470 C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Orthambonites paucicostatus (Ulrich & Cooper)
USNM PAL109834B G. Cooper
United States, Nevada
USNM:PAL
Orthambonites perplexus Ross
USNM PAL145669
United States, Nevada
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL158596 R. Ross-Jr. 1949-00-00
United States, Utah, Cache County
USNM:PAL
Orthambonites bellus Cooper
USNM PAL116866A G. Cooper
United States, Virginia
USNM:PAL
Cyrtonotella magna Cooper
USNM PAL116898 G. Cooper
United States, Tennessee
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187744 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Orthambonites friendsvillensis Cooper
USNM PAL109827B R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Cyrtonotella grandistriata (Willard)
USNM PAL99262B
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91461E G. Cooper 1934-00-00
Canada, Quebec
USNM:PAL
Orthostrophia strophomenoides (Hall)
USNM PAL125787 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Orthambonites tennesseensis Cooper
USNM PAL116880 A. Loeblich
United States, Alabama
USNM:PAL
Archaeorthis elongata Ulrich & Cooper
USNM PAL91457D E. Kirk
United States, Nevada
USNM:PAL
Orthambonites divaricatus Cooper
USNM PAL109838B Bridge & Cooper
United States, Virginia
USNM:PAL
Archaeorthis costellata Ulrich & Cooper
USNM MO124425
USNM:PAL
Cyrtonotella magna Cooper
USNM PAL116897A G. Cooper
United States, Tennessee
USNM:PAL
Trondorthis bifurcatus (Cooper)
USNM PAL187738 McKee & Ross 1971-00-00
United States, Nevada
USNM:PAL
Orthambonites minutus Cooper
USNM PAL116883 A. Loeblich
United States, Oklahoma, Murray County
USNM:PAL
Archaeorthis canadensis Ulrich & Cooper
USNM PAL91444A
USNM:PAL
Orthambonites parvicrassicostatus Cooper
USNM PAL116872A Cooper & Cooper
United States, Virginia
USNM:PAL
Cyrtonotella subplana Cooper
USNM PAL109860B G. Cooper
United States, Virginia
USNM:PAL
Cyrtonotella virginiensis Butts
USNM PAL109865B Bridge, Butts & Cooper
United States, Virginia
USNM:PAL
Orthambonites mostellerensis Cooper
USNM PAL109810C C. Butts
United States, Alabama
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL95875B
USNM:PAL
Orthambonites rotundiformis Cooper
USNM PAL109842B Bridge, Butts & Cooper
United States, Tennessee
USNM:PAL
Orthambonites dinorthoides Cooper
USNM PAL109823 A. Loeblich
United States, Oklahoma, Carter County
USNM:PAL
Orthambonites tennesseensis Cooper
USNM PAL116878C G. Cooper
United States, Tennessee
USNM:PAL
Archaeorthis crassa Ulrich & Cooper
USNM PAL116613
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116891C G. Cooper
United States, Tennessee
USNM:PAL
Cyrtonotella Cooper & Cooper
USNM PAL109860C Cooper & Cooper
United States, Virginia, Shenandoah County
USNM:PAL
Cyrtonotella Cooper & Cooper
USNM PAL109860A Cooper & Cooper
United States, Virginia, Shenandoah County
USNM:PAL
Orthostrophia strophomenoides (Hall)
USNM PAL125786A A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Orthambonites michaelis (Clark)
USNM PAL91316A
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91462B
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL117984B G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites swanensis Ulrich & Cooper
USNM PAL145664
United States, Utah
USNM:PAL
Archaeorthis biconvexa Cooper
USNM PAL116852B A. Loeblich
United States, Oklahoma, Pushmataha County
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL109883 Bridge & Cooper
United States, Virginia
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874N G. Cooper
United States, Tennessee
USNM:PAL
Orthambonites alabamensis Ulrich & Cooper
USNM PAL124433
USNM:PAL
Orthambonites rectangulatus Cooper
USNM PAL109802A Cooper & Loeblich
United States, Maryland
USNM:PAL
Taphrorthis peculiaris Cooper
USNM PAL117984E G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Orthambonites Boucot
USNM PAL125753 A. Boucot 1949-07-14
United States, Maine, Somerset County
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91459
USNM:PAL
Orthostrophella clairensis (Thomas)
USNM PAL158089
United States, Arkansas, Independence County
USNM:PAL
Archaeorthis costellata Ulrich & Cooper
USNM MO124424
USNM:PAL
Orthambonites bellus Cooper
USNM PAL116866C G. Cooper
United States, Virginia
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91460
USNM:PAL
Cyrtonotella fasciculata Cooper
USNM PAL167183D Ross 1966-00-00
United States, Nevada
USNM:PAL
Orthambonites minusculus (Phleger)
USNM PAL91310B
USNM:PAL
Orthambonites buttsi (Schuchert & Cooper)
USNM PAL116870B C. Butts
United States, Alabama
USNM:PAL
Archaeorthis glomerata Ulrich & Cooper
USNM PAL91462C
USNM:PAL
Orthambonites neumani Cooper
USNM PAL116874B G. Cooper
United States, Tennessee
USNM:PAL
Orthambonites eucharis (Ulrich & Cooper)
USNM PAL158594 R. Ross-Jr. 1949-00-00
United States, Utah, Cache County
USNM:PAL
Taphrorthis emarginata Cooper
USNM PAL116890 G. Cooper
United States, Alabama
USNM:PAL
Orthambonites bellus Cooper
USNM PAL116866F G. Cooper
United States, Virginia
USNM:PAL
Orthostrophella clairensis (Thomas)
USNM PAL158101
United States, Arkansas, Independence County
USNM:PAL
Orthambonites friendsvillensis Cooper
USNM PAL109827H R. Mesler
United States, Tennessee, Blount County