USNM:PAL
Acrotreta idahoensis alta Walcott
USNM PAL35273B C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrotreta bisecta Matthew
USNM PAL52073A
USNM:PAL
Acrotreta gemma depressa Walcott
USNM PAL52086D K. Rominger
Canada, British Columbia
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186041 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL69827 Walcott Et Al 1910-00-00
Canada, British Columbia
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276G S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta attica Walcott
USNM PAL140752A Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109737 G. Cooper
United States, Virginia
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109739A G. Cooper
United States, Tennessee
USNM:PAL
Acrotreta signalis Walcott
USNM PAL35285B C. Walcott
United States, Wisconsin, Polk County
USNM:PAL
Acrotreta lisani Walcott
USNM PAL52505A
USNM:PAL
Conotreta apicalis Cooper
USNM PAL116813E G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta subsidua White
USNM PAL8575A
USNM:PAL
Spondylotreta declivis (Willard)
USNM PAL109727A G. Cooper
United States, Virginia
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL69825 Walcott Et Al 1910-00-00
Canada, British Columbia
USNM:PAL
Acrotreta depressa Walcott
USNM PAL52086A
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186043 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrotreta pacifica Walcott
USNM PAL52507 Blackwelder
China, Shantung
USNM:PAL
Angulotreta triangularis digitalis Palmer
USNM PAL186034 1947-00-00
United States, Texas, Blanco County
USNM:PAL
Acrotreta eggegrundensis Wiman
USNM PAL57099A
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161A C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL95000 C. Resser
United States, Tennessee
USNM:PAL
Eurytreta fillmorensis Holmer et al.
USNM PAL526148
United States, Utah, Millard County
USNM:PAL
Acrotreta bellatula Walcott
USNM PAL52072C
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815F G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Physotreta spinosa (Walcott)
USNM PAL139533
United States, Nevada, Eureka County
USNM:PAL
Acrotreta sagittalis magna (Matthew)
USNM PAL35284C
USNM:PAL
Angulotreta microscopica (Shumard)
USNM PAL185563
United States, Texas, San Saba County
USNM:PAL
Acrotreta sagittalis transversa (Hartt)
USNM PAL52160A C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta definita Walcott
USNM PAL35271A C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL526138
United States, Utah, Millard County
USNM:PAL
Acrotreta signalis Walcott
USNM PAL35285A
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52118B C. Walcott 1884-00-00
United States, Texas, Burnet County
USNM:PAL
Angulotreta triangularis Palmer
USNM PAL186031 1947-00-00
United States, Texas, Llano County
USNM:PAL
Acrotreta gemma Billings
USNM PAL7867
USNM:PAL
Acrotreta argenta Walcott
USNM PAL35265A F. Weeks
United States, Nevada, Esmeralda County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL140665A Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203C G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Acrotreta gemma Billings
USNM PAL116816A Kindle
Canada, Newfoundland
USNM:PAL
Acrotreta claytoni Walcott
USNM PAL52081A F. Weeks 1899-00-00
United States, Nevada, Esmeralda County
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52504A C. Walcott 1884-00-00
United States, Texas, Llano County
USNM:PAL
Acrothyra signata Matthew
USNM PAL52057A S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta bisecta Matthew
USNM PAL52073E
USNM:PAL
Acrotreta socialis Seebach
USNM PAL35286D G. Schmalensee
Sweden
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161B C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrothyra minor Walcott
USNM PAL52050B
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270D
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161A
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52177A
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186035 1947-00-00
United States, Texas, Mason County
USNM:PAL
Angulotreta triangularis Palmer
USNM PAL186030 1947-00-00
United States, Texas, Llano County
USNM:PAL
Acrotreta microscopica missouriensis Walcott
USNM PAL35278B
USNM:PAL
Prototreta Dumoulin & Harris in Tailleur & Weimer
USNM PAL404610
United States, Alaska
USNM:PAL
Linnarssonia ophirensis (Walcott)
USNM PAL139487
United States, Utah, Tooele County
USNM:PAL
Acrotreta subsidua White
USNM PAL8575A
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52116C
USNM:PAL
Acrotreta sabrinae (Callaway)
USNM PAL57102A
England, South Shropshire
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089A C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35288E C. Walcott
United States, Tennessee, Knox County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054J S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Linnarssonia ophirensis (Walcott)
USNM PAL139485
United States, Utah, Tooele County
USNM:PAL
Acrotreta pileata Resser & Endo
USNM PAL86697H R. Endo
China, Manchoukuo Prov
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186036 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276B S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta ophirensis rugosa Walcott
USNM PAL35282G C. Walcott
United States
USNM:PAL
Prototreta trapeza Bell
USNM PAL111867
USNM:PAL
Acrotreta shantungensis Walcott
USNM PAL52512D Blackwelder & Willis
China, Shantung
USNM:PAL
Linnarssonia taconica Walcott
USNM PAL52162C C. Walcott 1886-00-00
United States, New York, Washington County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516756 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta pyxidicula White
USNM PAL8570B
USNM:PAL
Acrotreta gracia Walcott
USNM PAL35272E C. Walcott
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062E
USNM:PAL
Acrotreta kutorgai Walcott
USNM PAL35277H
USNM:PAL
Acrotreta gemmula Matthew
USNM PAL52088E S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL52188A E. Ulrich 1901-00-00
United States, Oklahoma, Comanche County
USNM:PAL
Acrotreta uplandica Wiman
USNM PAL57100B
USNM:PAL
Conotreta multisinuata Cooper
USNM PAL109738B G. Cooper
United States, Virginia
USNM:PAL
Canthylotreta marjumensis (Walcott)
USNM PAL139497
United States, Utah, Millard County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52055C S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta gemma Billings
USNM PAL15343B U.S. Geological Survey
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL35288G
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062C
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203D G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186039 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497153 A. Keith
Canada, Quebec
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL52201A
USNM:PAL
Angulotreta postapicalis Palmer
USNM PAL185978
United States, Texas, Blanco County
USNM:PAL
Acrotreta attenuata Meek
USNM PAL7867
USNM:PAL
Acrotreta microscopica (Shumard)
USNM PAL52119B F. Weeks 1900-00-00
United States, Nevada, White Pine County
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186038 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269H C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrotreta gracia Walcott
USNM PAL35272E
USNM:PAL
Acrotreta snowyensis Bell
USNM PAL127197
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089G
USNM:PAL
Acrotreta marjumensis Walcott
USNM PAL52117A Burling
United States, Utah, Juab County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269I C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL140665F Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269G
USNM:PAL
Acrotreta idahoensis alta Walcott
USNM PAL52099B G. Gilbert 1901-00-00
United States, Utah, Juab County
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203C