USNM:PAL
Protocardia hillana (Sowerby)
USNM PAL153044
USNM:PAL
Protocardia jacksonense Mansfield
USNM MO371200
USNM:PAL
Protocardia texana texana Conrad
USNM PAL315518
USNM:PAL
Protocardia multistriata (Shumard)
USNM PAL9858
USNM:PAL
Protocardia texana salinaensis Meek
USNM PAL7897A
USNM:PAL
Protocardia finitus Scott
USNM PAL313094 1974-00-00
United States, Texas, Hudspeth County
USNM:PAL
USNM PAL105377A
USNM:PAL
Protocardia meridionalis Richards
USNM PAL153014
USNM:PAL
Protocardia appressa Gabb
USNM PAL73573
USNM:PAL
Protocardia erecta Warren
USNM:PAL
Protocardia berrii Richards
USNM PAL152981
USNM:PAL
Protocardia texana salinaensis Meek
USNM PAL7897B
USNM:PAL
USNM PAL105377
USNM:PAL
Protocardia multistriata (Shumard)
USNM PAL9858A
USNM:PAL
Protocardia quihi Gardner
USNM MO370916
USNM:PAL
Protocardia torta Stephenson
USNM PAL105373
USNM:PAL
Protocardia hillana (Sowerby)
USNM PAL153008
USNM:PAL
Protocardia parahillana Wade
USNM PAL32795
USNM:PAL
USNM PAL105376
USNM:PAL
USNM MO135144
USNM:PAL
Protocardia obliquata Warren
USNM:PAL
Protocardia texana texana (Conrad)
USNM PAL9884
USNM:PAL
Protocardia finitus Scott
USNM PAL313093
United States, Texas, Hudspeth County
USNM:PAL
Protocardia (Leptocardia) pertenuis Meek & Hayden
USNM PAL1949
USNM:PAL
USNM PAL462801
Cuba, Pinar Del Rio Prov
USNM:PAL
Protocardia (Lophocardium) gurabica vaughaniana Mansfield
USNM MO371619
USNM:PAL
Protocardia (Pachycardium) stantoni (Wade)
USNM PAL482408
United States, Tennessee, McNairy County
USNM:PAL
Protocardia jamaicensis Dall
USNM MO135733
USNM:PAL
Protocardia actia Gardner
USNM MO370917
USNM:PAL
USNM PAL105378
USNM:PAL
Protocardia berrii Richards
USNM PAL152980
USNM:PAL
Protocardia timberensis Stephenson
USNM PAL105374
USNM:PAL
Protocardia torta Stephenson
USNM PAL105372
USNM:PAL
Protocardia timberensis Stephenson
USNM PAL105375
USNM:PAL
Protocardia lenis Conrad
USNM PAL207135
United States, Maryland, Charles County
USNM:PAL
Protocardia carolinensis Conrad
USNM PAL31940
USNM:PAL
Protocardia texana (Conrad)
USNM PAL239546
United States, Kansas
USNM:PAL
Protocardia multistriata (Shumard)
USNM PAL9858B
USNM:PAL
Protocardia finitus Scott
USNM PAL313092 D. LeMone 1975-00-00
United States, Texas, Hudspeth County
USNM:PAL
Protocardia (Leptocardia) subquadrata (Evans & Shumard)
USNM PAL278
USNM:PAL
USNM PAL468412 L. Marincovich 77AM25
United States, Alaska
UCM:IP
Protocardia rara
694 George, R
United States, Montana, Meagher, 46.758288 -110.951608
UCM:IP
Protocardia hillanum
2671
United Kingdom, England, Somerset
UCM:IP
Protocardia texana
5309 Pessels, C
United States, Texas, 30.01434 -99.120897
UCM:IP
Protocardia subquadrata
5738 Henderson, Junius 1912-07-25
United States, Colorado, 40.7931284 -106.2028104
UCM:IP
Protocardia subquadrata
5739 Henderson, Junius 1912-07-25
United States, Colorado, 40.7931284 -106.2028104
UCM:IP
Protocardia rara
9756 Worcester, P
United States, Montana, Fallon, 46.628164 -104.299413
UCM:IP
Protocardia rara
9762 Worcester, P
United States, Montana, Fallon, 46.628164 -104.299413
UCM:IP
Protocardia subquadrata
9766 Worcester, P
United States, Montana, Fallon, 46.628164 -104.299413
UCM:IP
Protocardia rara
9778 Worcester, P
United States, Montana, Fallon, 46.628164 -104.299413
UCM:IP
Protocardia texana
10836 University of Oklahoma
United States, Oklahoma
UCM:IP
Protocardia subquadrata
12063
United States, Colorado, 38.937042 -104.807477
UCM:IP
Protocardia rara
12561 Henderson, Junius; Smith, Earl 1922-07-08
United States, Colorado, Larimer, 40.706767 -104.980087
UCM:IP
Protocardia rara
12580 Henderson, Junius; Smith, Earl 1922-07-10
United States, Colorado, Larimer, 40.6821325 -104.9514567
UCM:IP
Protocardia texana
12932 Hall, Ellis
United States, Texas, 31.136024 -104.099203
UCM:IP
Protocardia rara
13250 Winchester, Dean
United States, Wyoming, Weston, 43.977354 -104.566434
UCM:IP
Protocardia subquadrata
13322 Lavington, Charles
United States, Wyoming, Weston
UCM:IP
Protocardia rara
14455 Kneale, W
United States, Wyoming, Albany, 41.449176 -106.046286
UCM:IP
Protocardia rara
14835 Evans, Arthur
United States, South Dakota, Dewey, 45.481145 -100.742106
UCM:IP
Protocardia rara
14843 Parks, E
United States, Wyoming, Niobrara, 43.335224 -104.269258
UCM:IP
Protocardia rara
15406 Hendrickson, Victor
United States, Montana, Dawson
UCM:IP
Protocardia texana
15932 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524
UCM:IP
15933 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524
UCM:IP
Protocardia texana
15947 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524
UCM:IP
Protocardia texana
15966 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.744642 -97.552036
UCM:IP
Protocardia texana
15977 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
15987 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
15999 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
16008 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
16046 Henderson, Junius 1926-03-31
United States, Texas, Parker, 32.758689 -97.703078
UCM:IP
Protocardia texana
16051 Henderson, Junius; Masterson, Rebecca; Aden, Eunice 1926-04-12
United States, Texas, Gillespie, 30.348702 -98.932594
UCM:IP
Protocardia multistriata
16066 Henderson, Junius; Masterson, Rebecca; Aden, Eunice 1926-04-12
United States, Texas, 29.8357281 -98.6848898
UCM:IP
Protocardia filosa
16067 Henderson, Junius; Masterson, Rebecca; Aden, Eunice 1926-04-12
United States, Texas, 29.8357281 -98.6848898
UCM:IP
16131 Henderson, Junius; Masterson, Rebecca; Aden, Eunice 1926-04-14
United States, Texas, 29.641276 -98.929934
UCM:IP
Protocardia texana
16658 1927-00-00
United States, New Mexico, Quay, 34.859802 -103.782644
UCM:IP
Protocardia rara
16667 Lavington, Chas
United States, Wyoming, Niobrara, 43.175663 -104.420091
UCM:IP
Protocardia rara
17320 Keith, B
United States, Wyoming, 43.640362 -104.414626
UCM:IP
Protocardia subquadrata
18318
United States, Montana, Musselshell, 46.5697728 -108.1653725
UCM:IP
Protocardia rara
18334
United States, Montana, Musselshell, 46.5697728 -108.1653725
UCM:IP
Protocardia rara
18452
United States, Wyoming, Niobrara, 43.0939286 -104.5581234
UCM:IP
Protocardia subquadrata
18478
United States, Wyoming, Niobrara, 43.056498 -104.475376
UCM:IP
Protocardia rara
18490
United States, Wyoming, Weston, 43.742038 -104.360631
UCM:IP
Protocardia subquadrata
18507
United States, Wyoming, Weston, 43.7215545 -104.3889387
UCM:IP
Protocardia texana
8349 Nelson, Norman
United States, Texas, Tarrant, 32.771556 -97.29124
UCM:IP
Protocardia filosa
96485 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96486 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96487 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96488 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96489 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96490 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia filosa
96491 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
98157 University of Oklahoma
United States, Oklahoma
UCM:IP
Protocardia texana
96531 Nelson, Norman
United States, Texas, Tarrant, 32.771556 -97.29124
UCM:IP
Protocardia texana
99397 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
99398 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
99399 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
99400 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524
UCM:IP
Protocardia texana
99396 Henderson, Junius; Masterson, Rebecca; Aden, Eunice; Aden, Helen 1926-03-31
United States, Texas, 32.765836 -97.705409
UCM:IP
Protocardia texana
99678 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524
UCM:IP
Protocardia texana
99679 Henderson, Junius; Aden, Helen; Masterson, Rebecca 1926-03-31
United States, Texas, 32.848545 -97.466524