USNM:PAL
Pentremites pyriformis Say
USNM S3505
United States, Illinois, Grayson County
USNM:PAL
Pentremites pyriformis Say
USNM PAL480715
USNM:PAL
Pentremites conoideus Hall
USNM S6637 A. Benedict
United States, Indiana, Harrison County
USNM:PAL
Pentremites pyriformis Say
USNM S3560
United States, Illinois
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL296973
United States, Georgia
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL475525
United States, Illinois
USNM:PAL
Pentremites godoni (Defrance)
USNM S6554
United States, Illinois, St. Clair County
USNM:PAL
Pentremites pyriformis Say
USNM S6449
United States, Illinois
USNM:PAL
Pentremites rusticus Hambach
USNM S6409
United States, Arkansas, Crawford County
USNM:PAL
Pentremites rusticus Hambach
USNM S6704
United States, Arkansas, Washington County
USNM:PAL
Pentremites conoideus Hall
USNM PAL14678 D. Williams
United States, Missouri
USNM:PAL
Pentremites robustus Lyon
USNM S3413
United States, Kentucky
USNM:PAL
Pentremites pyriformis Say
USNM PAL475542
United States, Illinois, Randolph County
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL66429
United States, Tennessee
USNM:PAL
Pentremites symmetricus Hall
USNM S3601
United States, Kentucky, Hopkins County
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL475600
United States, Alabama
USNM:PAL
Pentremites tulipaeformis Hambach
USNM PAL291030
United States, Pennsylvania
USNM:PAL
Pentremites
USNM PAL475097
United States, Missouri
USNM:PAL
Pentremites pyriformis Say
USNM S3506
United States, Kentucky
USNM:PAL
Pentremites elongatus Shumard
USNM S6599
United States, Iowa
USNM:PAL
Pentremites pyriformis Say
USNM S3457
United States, Indiana, Orange County
USNM:PAL
Pentremites pyriformis Say
USNM PAL476461
United States, Alabama
USNM:PAL
Pentremites pyriformis Say
USNM PAL475070
United States, Kentucky, Todd County
USNM:PAL
Pentremites conoideus Hall
USNM S6626 A. Benedict
United States, Indiana, Harrison County
USNM:PAL
Pentremites
USNM S6381
United States, Alabama
USNM:PAL
Pentremites laminatus Easton
USNM PAL475156
United States, Arkansas, Washington County
USNM:PAL
Pentremites tulipaeformis Hambach
USNM PAL469025 J. Bridge 1932-06-00
United States, Missouri, Perry County
USNM:PAL
Pentremites pyriformis Say
USNM PAL93584
United States, Kentucky
USNM:PAL
Pentremites sulcatus (Roemer)
USNM PAL476431
United States, Illinois
USNM:PAL
Pentremites
USNM S6502
United States, Kentucky, Warren County
USNM:PAL
Pentremites gemmiformis Hambach
USNM S3357
United States, Illinois, Randolph County
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL41968 E. Ulrich
United States, Kentucky, Crittenden County
USNM:PAL
Pentremites elegans Lyon
USNM S6442
United States, Illinois, Randolph County
USNM:PAL
Pentremites elegans Lyon
USNM PAL93614 E. Ulrich
United States, Illinois
USNM:PAL
Pentremites pyriformis Say
USNM PAL475567
United States, Pennsylvania
USNM:PAL
Pentremites robustus Lyon
USNM S3351
United States, Kentucky, Crittenden County
USNM:PAL
Pentremites broadheadi Hambach
USNM S3549
United States, Indiana, Martin County
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL42015 E. Ulrich
United States, Kentucky
USNM:PAL
Pentremites
USNM PAL479841
United States, Kentucky
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL295379
United States, Georgia, Catoosa County
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL476454
United States, Alabama
USNM:PAL
Pentremites conoideus (Hall)
USNM PAL469077
United States, Indiana
USNM:PAL
Pentremites speciosus Rowley
USNM S3595
United States, Alabama
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL476479
United States, Kentucky
USNM:PAL
Pentremites elongatus Shumard
USNM PAL41064
United States, Iowa
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL33129
United States, Tennessee, James County
USNM:PAL
Pentremites elongatus Shumard
USNM S6594
United States, Iowa
USNM:PAL
Pentremites conoideus Hall
USNM S6664
United States, Indiana, Washington County
USNM:PAL
Pentremites sulcatus (Roemer)
USNM PAL475163
United States, Illinois
USNM:PAL
Pentremites conoideus Hall
USNM S3311 A. Benedict
United States, Indiana
USNM:PAL
Pentremites godoni (Defrance)
USNM S3374 J. Safford 1895-00-00
United States, Tennessee
USNM:PAL
Pentremites angularis Lyon
USNM S6703
United States, Kentucky
USNM:PAL
Pentremites pyriformis Say
USNM PAL33074
United States, Illinois
USNM:PAL
Pentremites pyriformis Say
USNM PAL476448
United States, Kentucky, Pulaski County
USNM:PAL
Pentremites pyriformis Say
USNM PAL479865
United States, Kentucky
USNM:PAL
Pentremites
USNM PAL479894 M. Marcher BUM-9 1958-00-00
United States, Tennessee, Stewart County
USNM:PAL
Pentremites symmetricus Hall
USNM PAL475094
United States, Missouri
USNM:PAL
Pentremites conoideus (Hall)
USNM S6501
United States, Kentucky
USNM:PAL
Pentremites broadheadi Hambach
USNM S3544 Lyon Mus.
United States, Kentucky, Grayson County
USNM:PAL
Pentremites tulipaformis Hambach
USNM S6500
United States, Kentucky
USNM:PAL
Pentremites chesterensis Hambach
USNM S6696
United States, Illinois
USNM:PAL
Pentremites tulipaeformis Hambach
USNM PAL291033
United States, Missouri
USNM:PAL
Pentremites pyriformis Say
USNM S3486
United States, Indiana
USNM:PAL
Pentremites tulipaformis Hambach
USNM S6430
United States, Illinois
USNM:PAL
Pentremites sulcatus Roemer
USNM S3575
United States, Illinois
USNM:PAL
Pentremites pyriformis Say
USNM S6542
United States, Alabama
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL542245 Collector Unknown
United States, Illinois
USNM:PAL
Pentremites sulcatus (Roemer)
USNM PAL475151
United States
USNM:PAL
Pentremites pyriformis Say
USNM PAL475544
United States, Illinois
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL285611
United States, Kentucky, Caldwell County
USNM:PAL
Pentremites
USNM PAL477666
USNM:PAL
Pentremites angularis Lyon
USNM S3253
United States, Kentucky, Grayson County
USNM:PAL
Pentremites pyriformis Say
USNM PAL479879
USNM:PAL
Pentremites elegans Lyon
USNM PAL93612 E. Ulrich
United States, Kentucky, Pulaski County
USNM:PAL
Pentremites robustus Lyon
USNM S3408
United States, Kentucky, Crittenden County
USNM:PAL
Pentremites godoni (Defrance)
USNM S3436
United States, Alabama
USNM:PAL
Pentremites rusticus Hambach
USNM PAL291027 Cooper, Payne & Mesler 1933-10-00
United States, Arkansas
USNM:PAL
Pentremites robustus Lyon
USNM S3352
United States, Alabama
USNM:PAL
Pentremites pyriformis Say
USNM S6439
United States, Alabama
USNM:PAL
Pentremites tulipaeformis Hambach
USNM PAL469001 J. Bridge 1932-06-00
United States, Missouri, Perry County
USNM:PAL
Pentremites pyriformis Say
USNM S6464
United States, Illinois
USNM:PAL
Pentremites obesus Lyon
USNM S5294
United States, Illinois, Randolph County
USNM:PAL
Pentremites pyriformis Say
USNM S6548
United States, Illinois, Pope County
USNM:PAL
Pentremites conoideus Hall
USNM PAL475524 G. Greene
United States, Indiana
USNM:PAL
Pentremites elegans Lyon
USNM S3334 A. Worthen
United States, Illinois, Randolph County
USNM:PAL
Pentremites godoni (Defrance)
USNM S6552
United States, Illinois, St. Clair County
USNM:PAL
Pentremites robustus Lyon
USNM PAL477629 Waters Et Al
United States, Alabama, Lawrence County
USNM:PAL
Pentremites rusticus Hambach
USNM PAL296939
United States, Oklahoma
USNM:PAL
Pentremites laminatus Easton
USNM PAL479829 A. Bowsher 1938-00-00
United States
USNM:PAL
Pentremites pyriformis Say
USNM PAL479866
United States, Kentucky
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL477658 I. Reimann REIMANN 27
United States, Alabama
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL469076
United States, Alabama
USNM:PAL
Pentremites godoni (Defrance)
USNM PAL469097
United States, Alabama
USNM:PAL
Pentremites pulchellus Ulrich
USNM PAL477628
United States, Georgia, Floyd County
USNM:PAL
Pentremites gemmiformis Hambach
USNM S6461
United States, Illinois
USNM:PAL
Pentremites
USNM PAL475535
United States, Kentucky, Caldwell County
USNM:PAL
Pentremites pyriformis Say
USNM S3514
United States, Kentucky, Meade County
USNM:PAL
Pentremites elegans Lyon
USNM S6480
United States, Kentucky
USNM:PAL
Pentremites conoideus Hall
USNM S6647
United States, Missouri, Cooper County
USNM:PAL
Pentremites conoideus Hall
USNM S6625 A. Benedict
United States, Indiana, Harrison County