USNM:PAL
Thecidellina sp 1 Cooper
USNM MO550902A Waller & Bolango 1974-06-00
Vanuatu, Sanma, Espiritu Santo
USNM:PAL
Thecidellina
USNM MO551264 1968-09-20
USNM:PAL
Tritoechia delicatula Ulrich & Cooper
USNM PAL91716D
USNM:PAL
Marginifera haydenensis Girty
USNM PAL35328
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280961 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212288 R. Grant et al.
Thailand
USNM:PAL
Marginifera wabashensis (Norwood & Pratten)
USNM PAL35327
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL92985C E. Ulrich
United States, Oklahoma
USNM:PAL
Tritoechia occidentalis Ulrich & Cooper
USNM PAL91735 C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Thecidellina
USNM PAL424264 E. McKenzie 1983-00-00
Belize
USNM:PAL
Thecidellina maxilla (Hedley)
USNM MO584676 Schultz 1946-03-29
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280899 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL91750A J. Taff 1900-00-00
United States, Oklahoma
USNM:PAL
Thecidellina congregata Cooper
USNM MO549277 Unknown
USNM:PAL
Tritoechia pennsylvanica Ulrich & Cooper
USNM PAL91737B C. Butts 1925-06-29
United States, Pennsylvania, Blair County
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277989 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera drastica Grant
USNM PAL212270
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL91750M J. Taff 1900-00-00
United States, Oklahoma
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280923 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356600 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL92985D E. Ulrich
United States, Oklahoma
USNM:PAL
Thecidellina maxilla (Hedley)
USNM MO549286B K. Emery 1946-04-12
USNM:PAL
Tritoechia hemipyramidata Ulrich & Cooper
USNM PAL91730 C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356539 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277987 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280955 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera cristobalensis Girty
USNM PAL183754 W. Lee 1905-00-00
United States, New Mexico
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277988 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia curvirostris Sando
USNM PAL123816
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277995 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280954 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356606 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356599 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia curvirostris Sando
USNM PAL123813
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277985 C. Walcott
Canada, British Columbia
USNM:PAL
Thecidellina sp 1 Cooper
USNM MO550862 Waller & Bolango
Vanuatu, Sanma, Espiritu Santo
USNM:PAL
Diraphora Bell
USNM PAL111881
United States, Montana
USNM:PAL
Marginifera muricata missouriensis Norwood & Pratten
USNM PAL121366
USNM:PAL
Marginifera lasallensis (Worthen)
USNM PAL134596
USNM:PAL
Tritoechia loganensis Ross
USNM PAL158615 Ross & Rowell 1955-06-04
United States, Utah, Cache County
USNM:PAL
Marginifera roemeri Girty
USNM PAL155007
USNM:PAL
Marginifera lasallensis (Worthen)
USNM PAL134595
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280924 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280907 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356569 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212299 R. Grant et al.
Thailand
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL92985E E. Ulrich
United States, Oklahoma
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356624 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356597 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277991 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280909 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280884 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera arenaria Grant
USNM PAL212220 R. Grant et al.
Thailand
USNM:PAL
Diraphora striata (Walcott)
USNM PAL52279E
USNM:PAL
Tritoechia delicatula Ulrich & Cooper
USNM PAL91716I J. Taff 1900-00-00
United States, Oklahoma
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280891 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356542 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212296 R. Grant et al.
Thailand
USNM:PAL
Tritoechia dice (Walcott)
USNM PAL52248E
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356585 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera costellata Cooper
USNM PAL125370B University of Oregon
United States, Oregon
USNM:PAL
Diraphora striata (Walcott)
USNM PAL52279A
USNM:PAL
Marginifera otaria Grant
USNM PAL212262 R. Grant et al.
Thailand
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356560 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356540 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera arenaria Grant
USNM PAL212217 R. Grant et al.
Thailand
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356620 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212292 R. Grant et al.
Thailand
USNM:PAL
Thecidellina alabamensis Cooper
USNM MO550815A F. MacNeil
United States, Alabama, Henry County
USNM:PAL
Tritoechia pennsylvanica Ulrich & Cooper
USNM PAL91737A C. Butts 1925-06-29
United States, Pennsylvania, Blair County
USNM:PAL
Thecidellina congregata Cooper
USNM MO549278 Unknown
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356632 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera drastica Grant
USNM PAL212275
USNM:PAL
Tritoechia planodorsata Ulrich & Cooper
USNM PAL92903G E. Ulrich
United States, Oklahoma
USNM:PAL
Tritoechia loganensis Ross
USNM PAL158616 Ross & Rowell 1955-06-04
United States, Utah, Cache County
USNM:PAL
Thecidellina congregata Cooper
USNM MO549275D Unknown
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212295 R. Grant et al.
Thailand
USNM:PAL
Marginifera nesiotes Grant
USNM PAL212300 R. Grant et al.
Thailand
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356577 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera roemeri Girty
USNM PAL155005
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356627 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera sp 2 Cooper
USNM PAL115564B G. Cooper 1944-04-06
Mexico, Sonora
USNM:PAL
Thecidellina Cooper
USNM MO550413 P. Bermúdez
Cuba, Matanzas Prov
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280906 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera brevisulcata Cooper
USNM PAL125363D University of Oregon
United States, Oregon
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280905 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL92985G
USNM:PAL
Diraphora striata (Walcott)
USNM PAL52279B
USNM:PAL
Sellithyris coahuilensis (Imlay)
USNM PAL446386 Imlay & Loeblich
Mexico, Coahuila
USNM:PAL
Thecidellina sp 1 Cooper
USNM MO550902B Waller & Bolango 1974-06-00
Vanuatu, Sanma, Espiritu Santo
USNM:PAL
Tritoechia delicatula Ulrich & Cooper
USNM PAL91716C
USNM:PAL
Tritoechia loganensis Ross
USNM PAL158614 Ross & Rowell 1955-06-04
United States, Utah, Cache County
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL356575 C. Walcott
Canada, British Columbia
USNM:PAL
Marginifera brevisulcata Cooper
USNM PAL125363B University of Oregon
United States, Oregon
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280881 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia typica (Ulrich)
USNM PAL91750F
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL280935 C. Walcott
Canada, British Columbia
USNM:PAL
Diraphora bellicostata (Walcott)
USNM PAL277983 C. Walcott
Canada, British Columbia
USNM:PAL
Tritoechia delicatula Ulrich & Cooper
USNM PAL91716C J. Taff 1900-00-00
United States, Oklahoma
USNM:PAL
Tritoechia delicatula Ulrich & Cooper
USNM PAL91716E J. Taff 1900-00-00
United States, Oklahoma