USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185570
United States, Texas, San Saba County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203D
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287A
USNM:PAL
Conotreta millardensis Popov et al.
USNM PAL516721 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta pacifica Walcott
USNM PAL52506A
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203N
USNM:PAL
Acrotreta pileata Resser & Endo
USNM PAL86697A R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203A G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281J
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269O C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Linnarssonella urania Walcott
USNM PAL52202B
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176A C. Walcott
United States, Nevada
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52155
Wales
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270F
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176C C. Walcott
United States, Nevada
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161E C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL35288I
USNM:PAL
Acrotreta uplandica Wiman
USNM PAL57100A
USNM:PAL
Acrotreta nitens Resser & Endo
USNM PAL86701B R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52116B
USNM:PAL
Acrotreta sagittalis magna (Matthew)
USNM PAL35284C Matthew & Walcott
Canada, New Brunswick, Saint John County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516745 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054K S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta shantungensis Walcott
USNM PAL52512B Blackwelder & Willis
China, Shantung
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289D C. Walcott
United States, Tennessee, Roane County
USNM:PAL
Acrotreta socialis Seebach
USNM PAL35286B G. Schmalensee
Sweden
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269O C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054M S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280971 C. Walcott
Canada, British Columbia
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52179 C. Walcott
United States, Nevada
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516750 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52118C C. Walcott 1884-00-00
United States, Texas, Burnet County
USNM:PAL
Acrotreta microscopica missouriensis Walcott
USNM PAL35279A
United States, Missouri, Washington County
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109741 G. Cooper
United States, Tennessee
USNM:PAL
Acrotreta subsidua White
USNM PAL15345C
USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185568
United States, Texas, Burnet County
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497165 A. Keith
Canada, Quebec
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109746D G. Cooper
United States, Virginia
USNM:PAL
Acrotreta argenta Walcott
USNM PAL35265B
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269A C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL93063A Mertie 1930-00-00
United States, Alaska
USNM:PAL
Conotreta triangulata Cooper
USNM PAL117973 G. Cooper
United States, Virginia
USNM:PAL
Acrotreta gadsdenensis Resser
USNM PAL94991D C. Resser
United States, Alabama
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269N C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Hadrotreta primaaea (Walcott)
USNM PAL139483
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497147 A. Keith
Canada, Quebec
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277D C. Walcott
United States, Alabama, Cherokee County
USNM:PAL
Conotreta millardensis Popov et al.
USNM PAL516717 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL52110A
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089 C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Linnarssonella elongata Bell
USNM PAL140666H Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta misera (Billings)
USNM PAL52128B C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203A
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL139513
United States, South Dakota
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269G
USNM:PAL
Acrotreta depressa Walcott
USNM PAL52086D
USNM:PAL
Acrotreta argenta Walcott
USNM PAL35265B F. Weeks
United States, Nevada, Esmeralda County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269D
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276D S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta concentrica Walcott
USNM PAL35266A
USNM:PAL
Acrotreta eggegrundensis Wiman
USNM PAL57099B
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161G
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109736 G. Cooper
United States, Tennessee
USNM:PAL
Acrotreta nox Walcott
USNM PAL52132A
United States, Wisconsin
USNM:PAL
Acrotreta microscopica tetonensis Walcott
USNM PAL35280D
USNM:PAL
Acrotreta signalis Walcott
USNM PAL35285A C. Walcott
United States, Polk County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289A
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52155F
Wales
USNM:PAL
Physotreta spinosa (Walcott)
USNM PAL139532
United States, Nevada, Eureka County
USNM:PAL
Acrothyra
USNM PAL280995 C. Walcott
Canada, British Columbia
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091G C. Walcott 1898-00-00
United States, Idaho, Oneida County
USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185569
United States, Texas, San Saba County
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089B C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289E C. Walcott
United States, Tennessee, Roane County
USNM:PAL
Pegmatreta arellanoi Cooper
USNM PAL116058
USNM:PAL
Acrotreta attica Walcott
USNM PAL140752F Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Linnarssonella modesta Walcott
USNM PAL52197C
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497167 A. Keith
Canada, Quebec
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089F C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109742 G. Cooper
United States, Virginia, Bland County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269K
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52116E
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15343B C. Walcott
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta ulrichi Walcott
USNM PAL52180A
USNM:PAL
Acrotreta bellatula Walcott
USNM PAL52072C Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52117 Burling
United States, Utah, Juab County
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL35288B
USNM:PAL
Acrotreta venia Walcott
USNM PAL57564 Iddings & San 1909-09-00
Manchuria, Liautung Prov
USNM:PAL
Acrotreta teres Resser & Endo
USNM PAL86700B R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161D C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516751 J. Miller
United States, Utah, Millard County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516748 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta subsidua White
USNM PAL15345C Wheeler Survey
United States, Utah
USNM:PAL
Linnarssonella minuta (Hall & Whitfield)
USNM PAL24553A C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrotreta definita Walcott
USNM PAL35271A
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815H G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta attenuata Meek
USNM PAL52067C
USNM:PAL
Acrotreta taconica (Walcott)
USNM PAL125729A C. Lochman
United States, New York
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269H
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52111A