USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091E C. Walcott 1898-00-00
United States, Idaho, Oneida County
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269B C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15342C
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL98693C
United States, Missouri, St. Francois County
USNM:PAL
Acrothyra minor Walcott
USNM PAL52050A C. Walcott
United States, Idaho
USNM:PAL
Acrotreta pergracilis Resser & Endo
USNM PAL86698C R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta idahoensis sulcata Walcott
USNM PAL35275A
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL17441A
USNM:PAL
Acrotreta ophirensis rugosa Walcott
USNM PAL35282E
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054D S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta conula Walcott
USNM PAL35267 C. Walcott
Sweden
USNM:PAL
Genus Robson & Pratt
USNM PAL527252
United States, South Dakota
USNM:PAL
Acrotreta pyxidicula White
USNM PAL52150A
United States, Idaho, Bear Lake County
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL93064 Mertie 1930-00-00
United States, Alaska
USNM:PAL
Acrotreta rara Howell
USNM PAL532078 B. Howell 1933-00-00
United States, Vermont, Franklin County
USNM:PAL
Acrotreta argenta Walcott
USNM PAL35265A
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109746C G. Cooper
United States, Virginia
USNM:PAL
Acrotreta idahoensis sulcata Walcott
USNM PAL35275A Spence
United States, Idaho, Bear Lake County
USNM:PAL
Acrotreta gemma Billings
USNM PAL35273B
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281C C. Walcott
United States, Utah, Tooele County
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52111A
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109742H G. Cooper
United States, Virginia, Bland County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287B
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL52188A
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL203725
United States, Missouri, St. Francois County
USNM:PAL
Acrotreta ulrichi Walcott
USNM PAL98691B
United States, Missouri, Ste. Genevieve County
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091C
USNM:PAL
Hadrotreta primaaea (Walcott)
USNM PAL139481
United States, Nevada, Lincoln County
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL52201D
USNM:PAL
Acrotreta pyxidicula White
USNM PAL8570A Wheeler Survey
United States, Nevada
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497161 A. Keith
Canada, Quebec
USNM:PAL
Acrotreta idahoensis alta Walcott
USNM PAL52099 G. Gilbert 1901-00-00
United States, Utah, Juab County
USNM:PAL
Acrotreta microscopica tetonensis Walcott
USNM PAL35280C
USNM:PAL
Prototreta trapeza Bell
USNM PAL111868
United States, Montana
USNM:PAL
Linnarssonia taconica Walcott
USNM PAL52163E C. Walcott 1886-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta misera (Billings)
USNM PAL52128E C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52166A
USNM:PAL
Acrothyra
USNM PAL280997 C. Walcott
Canada, British Columbia
USNM:PAL
Acrotreta shantungensis Walcott
USNM PAL52512D
USNM:PAL
Pegmatreta rara Cooper
USNM PAL116059
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161C C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrothyra
USNM PAL280990 C. Walcott
Canada, British Columbia
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815A G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270D Spence
United States, Idaho, Bear Lake County
USNM:PAL
Acrotreta nitens Resser & Endo
USNM PAL86701A R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta attenuata Meek
USNM PAL7867A
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281A
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281O C. Walcott
United States, Utah, Tooele County
USNM:PAL
Linnarssonia sagittalis taconica Walcott
USNM PAL52166A
USNM:PAL
Acrotreta gemmula Matthew
USNM PAL52088D S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185565
United States, Texas, McCulloch County
USNM:PAL
Eurytreta fillmorensis Holmer et al.
USNM PAL526141
United States, Utah, Millard County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203K G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185566
United States, Texas, McCulloch County
USNM:PAL
Acrotreta bisecta Matthew
USNM PAL52077A
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269L
USNM:PAL
Acrotreta sagittalis magna (Matthew)
USNM PAL35284A
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52112B C. Walcott
United States, Tennessee, Hawkins County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516752 J. Miller
United States, Utah, Millard County
USNM:PAL
Pegmatreta ophirensis (Walcott)
USNM PAL141298
USNM:PAL
Eurytreta fillmorensis Holmer et al.
USNM PAL526146
United States, Utah, Millard County
USNM:PAL
Acrotreta rara Howell
USNM PAL532077 B. Howell, C. Howell & B. Howell-Jr.
United States, Vermont, Franklin County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269D C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Linnarssonia ophirensis (Walcott)
USNM PAL139486
United States, Utah, Tooele County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL185551
United States, Texas, Llano County
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52155C
Wales
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL52188C E. Ulrich 1901-00-00
United States, Oklahoma, Comanche County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35288B
USNM:PAL
Acrotreta gemma Billings
USNM PAL51824
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269D C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Acrotreta sabrinae (Callaway)
USNM PAL57102C
England, South Shropshire
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277E
USNM:PAL
Acrotreta attica Walcott
USNM PAL140752I
USNM:PAL
Acrotreta neboensis Walcott
USNM PAL52130A F. Weeks
United States, Utah
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL203721
United States, Missouri, Ste. Genevieve County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289B
USNM:PAL
Acrotreta concentrica Walcott
USNM PAL35266C C. Walcott
United States, Georgia, Bartow County
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52117A
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091E
USNM:PAL
Acrotreta socialis Seebach
USNM PAL35286E G. Schmalensee
Sweden
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815M G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161I
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52177A C. Walcott
United States, Nevada
USNM:PAL
Linnarssonella modesta Walcott
USNM PAL52197D Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Acrotreta attenuata Meek
USNM PAL52068B
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062B F. Weeks
United States, Nevada, Esmeralda County
USNM:PAL
Hadrotreta primaaea (Walcott)
USNM PAL139484
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta sulcata (Walcott)
USNM PAL52109 Walcott & Burling 1906-00-00
United States, Idaho, Oneida County
USNM:PAL
Acrotreta orientalis Resser & Endo
USNM PAL57764B
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161 C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta bisecta Matthew
USNM PAL52073C
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52156B G. Schmalensee 1900-00-00
Sweden, Christianstad Prov
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203B
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203Q
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269I
USNM:PAL
Acrotreta ophirensis rugosa Walcott
USNM PAL35282B
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269P
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091A
USNM:PAL
Acrotreta attenuata Meek
USNM PAL52070B
USNM:PAL
Acrotreta uplandica limoensis Wiman
USNM PAL57101A