USNM:PAL
Hadrotreta primaaea (Walcott)
USNM PAL139480
United States, Nevada, Lincoln County
USNM:PAL
Linnarssonella nitens Walcott
USNM PAL52198B Burling
United States, Utah, Millard County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269K C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Angulotreta triangularis Palmer
USNM PAL186028 1947-00-00
United States, Texas, Blanco County
USNM:PAL
Acrotreta bellatula Walcott
USNM PAL52072E Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Acrotreta pileata Resser & Endo
USNM PAL86697G R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta nicholsoni Davidson
USNM PAL52131
USNM:PAL
Acrotreta pyxidicula White
USNM PAL52147B C. Walcott 1898-00-00
United States, Idaho, Oneida County
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52152B C. Walcott 1899-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52163A C. Walcott
United States, New York, Washington County
USNM:PAL
Acrotreta sagittalis transversa (Hartt)
USNM PAL52160J C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrothyra proavia (Matthew)
USNM PAL52052I S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta sabrinae (Callaway)
USNM PAL57102D
England, South Shropshire
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176D
USNM:PAL
Acrotreta misera (Billings)
USNM PAL52128L C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta bellatula Walcott
USNM PAL52072B
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054L S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Pegmatreta ophirensis (Walcott)
USNM PAL141299
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287O
USNM:PAL
Conotreta apicalis Cooper
USNM PAL116813A G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta bisecta Matthew
USNM PAL52073E
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277I
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091D
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52163D
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL52111A Gurley
United States, Tennessee, Hawkins County
USNM:PAL
Linnarssonella nitens Walcott
USNM PAL52198 Burling
United States, Utah, Tooele County
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176B
USNM:PAL
Eurytreta sublata Popov
USNM PAL516775 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta pyxidicula White
USNM PAL8570A
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109746B G. Cooper
United States, Virginia
USNM:PAL
Linnarssonella peapackensis Howell
USNM PAL511938 B. Howell 1925-00-00
United States, New Jersey
USNM:PAL
Conotreta gigantea Cooper
USNM PAL109734E G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52112A
USNM:PAL
Acrotreta gemma Billings
USNM PAL116816B
USNM:PAL
Angulotreta triangularis Palmer
USNM PAL186032 1947-00-00
United States, Texas, Blanco County
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276E S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161F
USNM:PAL
Acrotreta attica Walcott
USNM PAL140752C Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta gemma Billings
USNM PAL7867
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277A
USNM:PAL
Acrothyra signata Matthew
USNM PAL52057B S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta socialis Seebach
USNM PAL35286E
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52116A Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Acrotreta ophirensis descendens Walcott
USNM PAL52143C
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52165A C. Walcott
United States, New York, Columbia County
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270J Spence
United States, Idaho, Bear Lake County
USNM:PAL
Acrotreta socialis Seebach
USNM PAL52174A
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815G G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062D
USNM:PAL
Acrotreta gemma depressa Walcott
USNM PAL52086A K. Rominger
Canada, British Columbia
USNM:PAL
Acrotreta rara Howell
USNM PAL532079 B. Howell 1933-00-00
United States, Vermont, Franklin County
USNM:PAL
Acrotreta gracia Walcott
USNM PAL35272C
USNM:PAL
Prototreta mimica Bell
USNM PAL111862
United States, Montana
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52155G
Wales
USNM:PAL
Acrotreta venia Walcott
USNM PAL57763
USNM:PAL
Conotreta altirostra Cooper
USNM PAL116812 G. Cooper
United States, Virginia
USNM:PAL
Acrotreta attenuata Walcott
USNM PAL52071A
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52116B Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054E S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL139514
United States, South Dakota
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52163B C. Walcott
United States, New York, Washington County
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281G C. Walcott
United States, Utah, Tooele County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203P G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269L
USNM:PAL
Acrothyra minor Walcott
USNM PAL52050B C. Walcott
United States, Idaho
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287J C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Pegmatreta rara Cooper
USNM PAL116057
USNM:PAL
Acrotreta eucharis Resser
USNM PAL52147B
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15342C C. Walcott
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52119A F. Weeks 1900-00-00
United States, Nevada, White Pine County
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52164A
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL139509
United States, South Dakota
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35288D C. Walcott
United States, Tennessee, Knox County
USNM:PAL
Acrothyra signata orta Matthew
USNM PAL52058A S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176F
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52153A C. Walcott 1899-00-00
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497152 A. Keith
Canada, Quebec
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280980 C. Walcott
Canada, British Columbia
USNM:PAL
Acrotreta cancellata Walcott
USNM PAL52079A
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280984 C. Walcott
Canada, British Columbia
USNM:PAL
Linnarssonella modesta Walcott
USNM PAL52197A
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281J C. Walcott
United States, Utah, Tooele County
USNM:PAL
Acrotreta sagittalis (Salter)
USNM PAL52156A G. Schmalensee 1900-00-00
Sweden, Christianstad Prov
USNM:PAL
Acrotreta depressa Walcott
USNM PAL52086C
USNM:PAL
Linnarssonella elongata Bell
USNM PAL140666C Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203B G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Canthylotreta marjumensis (Walcott)
USNM PAL139499
United States, Utah, Millard County
USNM:PAL
Quadrisonia lavadamensis Popov et al.
USNM PAL516759 J. Miller
United States, Utah, Millard County
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815E G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL35288H
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277A C. Walcott
United States, Alabama, Cherokee County
USNM:PAL
Acrothyra minor Walcott
USNM PAL52050C C. Walcott
United States, Idaho
USNM:PAL
Linnarssonella urania Walcott
USNM PAL52202D F. Weeks
United States, Utah, Salt Lake County
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276C S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Prototreta mimica Bell
USNM PAL141302
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52112A C. Walcott
United States, Tennessee, Hawkins County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287P C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Acrotreta attica Walcott
USNM PAL140752B Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062B
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52120C C. Walcott 1884-00-00
United States, Texas, Burnet County