USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126242
USNM:PAL
Chonostrophia dawsoni Billings
USNM PAL56679
USNM:PAL
Chonostrophia reversa (Whitfield)
USNM PAL71593B C. Butts
United States, Alabama, St. Clair County
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126240
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126241
USNM:PAL
Chonostrophia jervensis Schuchert
USNM PAL111750
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126243
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126237
USNM:PAL
Chonostrophia montrealensis Schuchert
USNM PAL111809
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126242
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126254
USNM:PAL
Chonostrophia lindenensis Foerste
USNM PAL87106
USNM:PAL
Chonostrophia reversa (Whitfield)
USNM PAL71593C C. Butts
United States, Alabama, St. Clair County
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126236
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126236
USNM:PAL
Chonostrophia Boucot
USNM PAL126689 R. Finks
United States, New York, Orange County
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126241
USNM:PAL
Chonostrophia reversa (Whitfield)
USNM PAL71593A C. Butts
United States, Alabama, St. Clair County
USNM:PAL
Chonostrophia complanata Hall
USNM PAL59711
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126237
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126225
USNM:PAL
Chonostrophia helderbergia Hall & Clarke
USNM PAL176970 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126225
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126240
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126243
USNM:PAL
Chonostrophiella complanata (Hall)
USNM PAL126254
USNM:PAL
Chonostrophia jervensis Schuchert
USNM PAL111751