USNM:PAL
Acrothyra proavia (Matthew)
USNM PAL52052A S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta concentrica Walcott
USNM PAL35266A C. Walcott
United States, Georgia, Bartow County
USNM:PAL
Canthylotreta n. Robson & Pratt
USNM PAL527251
United States, South Dakota
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269 C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL526136
United States, Utah, Millard County
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161I C. Walcott 1893-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta convexa Walcott
USNM PAL52085A
USNM:PAL
Acrotreta seebachi Walcott
USNM PAL52172B W. Brogger
Norway
USNM:PAL
Acrotreta socialis Seebach
USNM PAL35286C G. Schmalensee
Sweden
USNM:PAL
Linnarssonella elongata Bell
USNM PAL140666A Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054O S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176F C. Walcott
United States, Nevada
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276H S. Loper
Canada, New Brunswick, Saint John County
USNM:PAL
Acrotreta rudis Walcott
USNM PAL52112A
USNM:PAL
Acrotreta pergracilis Resser & Endo
USNM PAL86698E R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta microscopica tetonensis Walcott
USNM PAL35280A
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161H
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280983 C. Walcott
Canada, British Columbia
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287N
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52177 C. Walcott
United States, Nevada
USNM:PAL
Acrotreta magna Cooper
USNM PAL109724B G. Cooper
Canada, Quebec, Stanbridge Twp
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280979 C. Walcott
Canada, British Columbia
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280988 C. Walcott
Canada, British Columbia
USNM:PAL
Conotreta plana Cooper
USNM PAL109735B R. Mesler
United States, Virginia
USNM:PAL
Acrotreta gracia Walcott
USNM PAL35272D
USNM:PAL
Acrotreta pyxidicula White
USNM PAL52149C C. Walcott 1905-00-00
United States, Montana, Gallatin County
USNM:PAL
Acrotreta resseri Edwards
USNM PAL81764
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497158 A. Keith
Canada, Quebec
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270A Spence
United States, Idaho, Bear Lake County
USNM:PAL
Acrotreta argenta Walcott
USNM PAL52062C F. Weeks
United States, Nevada, Esmeralda County
USNM:PAL
Acrotreta attenuata Meek
USNM PAL52063A
USNM:PAL
Acrotreta microscopica missouriensis Walcott
USNM PAL35278D C. Walcott
United States, Missouri, St. Francois County
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35288G C. Walcott
United States, Tennessee, Knox County
USNM:PAL
Acrotreta misera (Billings)
USNM PAL52128J C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL52188C
USNM:PAL
Acrotreta microscopica missouriensis Walcott
USNM PAL35278B C. Walcott
United States, Missouri, St. Francois County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516744 J. Miller
United States, Utah, Millard County
USNM:PAL
Prototreta attenuata (Meek)
USNM PAL7867D
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52056A S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203H
USNM:PAL
Acrothyra sera (Matthew)
USNM PAL52054G S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161C
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL526137
United States, Utah, Millard County
USNM:PAL
Linnarssonia sagittalis taconica Walcott
USNM PAL52163B
USNM:PAL
Conotreta cuspidata Cooper
USNM PAL109716A Bridge & Cooper
United States, Virginia
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289C
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269C
USNM:PAL
Acrotreta neboensis Walcott
USNM PAL52130B F. Weeks
United States, Utah
USNM:PAL
Acrotreta gemma Billings
USNM PAL35269P C. Walcott 1880-00-00
United States, Nevada, Eureka District
USNM:PAL
Acrothyra gregaria Walcott
USNM PAL280973 C. Walcott
Canada, British Columbia
USNM:PAL
Acrotreta metisensis Howell
USNM PAL497149 A. Keith
Canada, Quebec
USNM:PAL
Apsotreta expansa Palmer
USNM PAL186040 1947-00-00
United States, Texas, Mason County
USNM:PAL
Acrotreta gemma depressa Walcott
USNM PAL52086E K. Rominger
Canada, British Columbia
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203O G. Schmalensee
Sweden, Christianstad Prov
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL516754 J. Miller
United States, Utah, Millard County
USNM:PAL
Eurytreta sublata Popov
USNM PAL516767 J. Miller
United States, Utah, Millard County
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15342D
USNM:PAL
Acrotreta conula Walcott
USNM PAL35267A
USNM:PAL
Linnarssonia taconica Walcott
USNM PAL52162A C. Walcott 1886-00-00
United States, New York, Washington County
USNM:PAL
Eurytreta bisecta (Matthew)
USNM PAL526135
United States, Utah, Millard County
USNM:PAL
Acrotreta gemma Billings
USNM PAL15343A
United States, Nevada
USNM:PAL
Acrotreta teres Resser & Endo
USNM PAL86699 R. Endo
China, Manchoukuo Prov
USNM:PAL
Acrotreta microscopica tetonensis Walcott
USNM PAL35280E
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276B
USNM:PAL
Acrotreta knoxvillensis Resser
USNM PAL35288A
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15342B C. Walcott
United States, Nevada, Lincoln County
USNM:PAL
Acrotreta misera (Billings)
USNM PAL52128H C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta bellatula Walcott
USNM PAL52072F Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287Q C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Linnarssonella transversa Walcott
USNM PAL52201C
USNM:PAL
Acrotreta definita Walcott
USNM PAL35270E
USNM:PAL
Linnarssonella tennesseensis Walcott
USNM PAL35289D
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL35287G
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281G
USNM:PAL
Acrotreta spinosa Walcott
USNM PAL52176C
USNM:PAL
Conotreta gigantea Cooper
USNM PAL117968B G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52089C C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269O
USNM:PAL
Acrotreta ophirensis Walcott
USNM PAL35281A C. Walcott
United States, Utah, Tooele County
USNM:PAL
Linnarssonia taconica Walcott
USNM PAL52163B C. Walcott 1886-00-00
United States, New York, Washington County
USNM:PAL
Acrotreta buttsi Resser
USNM PAL52115 C. Resser
United States, Alabama
USNM:PAL
Linnarssonia Dumoulin & Harris in Tailleur & Weimer
USNM PAL404611
United States, Alaska
USNM:PAL
Acrotreta pacifica Walcott
USNM PAL52506A Blackwelder
China, Shantung
USNM:PAL
Linnarssonia taconica Walcott
USNM PAL52163D C. Walcott 1886-00-00
United States, New York, Washington County
USNM:PAL
Conotreta depressa Cooper
USNM PAL116815I G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acrotreta ophirensis descendens Walcott
USNM PAL52143B
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269P C. Walcott
United States, Nevada, Eureka County
USNM:PAL
Acrotreta curvata Walcott
USNM PAL35269P
USNM:PAL
Acrotreta attenuata Meek
USNM PAL7867C
USNM:PAL
Acrotreta concentrica Walcott
USNM PAL35266D C. Walcott
United States, Georgia, Bartow County
USNM:PAL
Acrotreta sagittalis taconica (Walcott)
USNM PAL52161D
USNM:PAL
Linnarssonella girtyi Walcott
USNM PAL140665J Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Acrotreta inflata (Matthew)
USNM PAL35276F
USNM:PAL
Acrotreta atticus Walcott
USNM PAL61684 Walcott Et Al
Canada, British Columbia
USNM:PAL
Acrotreta shantungensis Walcott
USNM PAL52511 Blackwelder & Willis
China, Shantung
USNM:PAL
Acrotreta sagittalis transversa (Hartt)
USNM PAL52160C C. Walcott 1888-00-00
Canada, Newfoundland
USNM:PAL
Acrotreta convexa Walcott
USNM PAL35268A
USNM:PAL
Acrotreta schmalenseei Walcott
USNM PAL18203T
USNM:PAL
Acrotreta idahoensis Walcott
USNM PAL52091C C. Walcott 1898-00-00
United States, Idaho, Oneida County
USNM:PAL
Acrotreta primaeva Walcott
USNM PAL15343B