USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151121F
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153280E
United States, Texas, Brewster County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020A
United States, Texas, Brewster County
USNM:PAL
Derbyia sp 2 Cooper & Grant
USNM PAL152615A
United States, Texas, Brewster County
USNM:PAL
Orthotetes protensus Girty
USNM PAL314145
USNM:PAL
Derbyia correana (Derby)
USNM PAL24358
USNM:PAL
Derbyia cymbula Hall & Clarke
USNM PAL380734 G. Cooper
United States, Kansas, Cowley County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL153286A
United States, Texas, Brewster County
USNM:PAL
Derbyia sp a Girty
USNM PAL179852 G. Richardson 1903-09-24
United States, Texas, Culberson County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL151086A
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151141
United States, Texas, Brewster County
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151198H
United States, Texas, Brewster County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020E
United States, Texas, Brewster County
USNM:PAL
Hipparionyx proximus Vanuxem
USNM PAL126688 R. Finks
United States, New York, Orange County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL151154F
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL153346
United States, Texas, Brewster County
USNM:PAL
Derbyia robusta (Hall)
USNM PAL163738
United States, Wyoming, Carbon County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL153281B
United States, Texas, Brewster County
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314124
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314133
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151131B
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL220999 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia
USNM PAL717011 G. Cooper & E. Yochelson 1947-00-00
United States, Texas, Callahan County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151137B
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151184
United States, Texas, Brewster County
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL153348
United States, Texas, Brewster County
USNM:PAL
Derbyia sp b Girty
USNM PAL179846 G. Richardson 1903-09-23
United States, Texas, Culberson County
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL153450C
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122N
United States, Texas, Brewster County
USNM:PAL
Orthotetes kaskaskiensis (McChesney)
USNM PAL71668C C. Butts
United States, Alabama, Colbert County
USNM:PAL
Orthotetes subglobosus var. batesvillensis Girty
USNM PAL121212
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151055A
United States, Texas, Brewster County
USNM:PAL
Derbyia
USNM PAL717010
United States, Texas, Callahan County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151186
United States, Texas, Culberson County
USNM:PAL
Derbyia auriplexa Hoover
USNM PAL220982 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151177G
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL153290B
United States, Texas, Brewster County
USNM:PAL
Derbyia sp 2 Cooper
USNM PAL125312 University of Oregon
United States, Oregon
USNM:PAL
Derbyia crenulata Girty
USNM PAL118499
United States, Texas, El Paso County
USNM:PAL
Orthotetes
USNM PAL729405 M. Stainbrook
United States, Iowa
USNM:PAL
Derbyia sp 1 Girty
USNM PAL153467A
United States, New Mexico, Eddy County
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314127 Cooper, Grant & Phelan 1968-00-00
United States, Oklahoma, Mayes County
USNM:PAL
Orthotetes stenopsis Henry & Gordon
USNM PAL314161 Cooper & Mesler 1931-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia sp 1 Girty
USNM PAL153465B
United States, Texas, Culberson County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151177C
United States, Texas, Brewster County
USNM:PAL
Derbyina jamesiana (Rathbun)
USNM PAL209035
Bolivia
USNM:PAL
Derbyia Stehli & Grant
USNM PAL163544 F. Stehli
Guatemala, Huehuetenango
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL153281G
United States, Texas, Brewster County
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL151015C
United States, Texas, Brewster County
USNM:PAL
Derbyia robusta (Hall)
USNM PAL163737
United States, Wyoming, Carbon County
USNM:PAL
Derbyia scitula Cooper & Grant
USNM PAL151202C
United States, Texas, Brewster County
USNM:PAL
Derbyia nasuta Girty
USNM PAL151029
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151119B
United States, Texas, Brewster County
USNM:PAL
Hipparionyx unguiformis (Conrad)
USNM PAL59703
USNM:PAL
Werriea keokuk (Hall)
USNM PAL263478
United States, Arizona, Cochise County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL151080K
United States, Texas, Brewster County
USNM:PAL
Derbyia nasuta Girty
USNM PAL153547A
United States, Texas, Presidio County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020G
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL153449F
United States, Texas, Brewster County
USNM:PAL
Derbyia deltauriculata Hoover
USNM PAL220995 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia Stehli & Grant
USNM PAL163542 F. Stehli
Guatemala, Huehuetenango
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL152607B
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153279C
United States, Texas, Brewster County
USNM:PAL
Derbyia nasuta Girty
USNM PAL151030I
United States, Texas, Brewster County
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL151015N
United States, Texas, Brewster County
USNM:PAL
Orthotetes guadalupensis Girty
USNM PAL118502B Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Derbyia arellanoi Cooper
USNM PAL115474A G. Cooper
Mexico, Sonora
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151121B
United States, Texas, Brewster County
USNM:PAL
Orthotetes guadalupensis Girty
USNM PAL179856 Girty 1901-10-02
United States, Texas, Culberson County
USNM:PAL
Orthotetes kaskaskiensis (McChesney)
USNM PAL642045A
United States, Iowa
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151137A
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL151154B
United States, Texas, Brewster County
USNM:PAL
Hipparionyx unguiformis (Conrad)
USNM PAL59702
USNM:PAL
Derbyia scitula Cooper & Grant
USNM PAL153289A
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122I
United States, Texas, Brewster County
USNM:PAL
Orthotetes chemungensis (Conrad)
USNM PAL33925
United States, Colorado
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL151015D
United States, Texas, Brewster County
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314140
USNM:PAL
Derbyia scobina Grant
USNM PAL211702 R. Grant et al.
Thailand
USNM:PAL
Orthotetes batesvillensis Girty
USNM PAL121216
USNM:PAL
Derbyia scitula Cooper & Grant
USNM PAL151202E
United States, Texas, Brewster County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL151090C
United States, Texas, Brewster County
USNM:PAL
Werriea keokuk (Hall)
USNM PAL263480
United States, Arizona, Cochise County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122H
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151136B
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151150B
United States, Texas
USNM:PAL
Derbyia scitula Cooper & Grant
USNM PAL151202G
United States, Texas, Brewster County
USNM:PAL
Orthotetes
USNM PAL717013 M. Stainbrook
United States, Iowa
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059O
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL152618
United States, Texas, Brewster County
USNM:PAL
Orthotetes (Orthotetes) Easton
USNM PAL118751
USNM:PAL
Derbyia strophomenoidea Cooper & Grant
USNM PAL151213A
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153189D
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL220997 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia Stehli & Grant
USNM PAL163543 F. Stehli
Guatemala, Huehuetenango
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151198I
United States, Texas, Brewster County
USNM:PAL
Derbyoides sp 2 Cooper & Grant
USNM PAL153480A
United States, Texas, Brewster County
USNM:PAL
Derbyia crassa (Meek & Hayden)
USNM PAL6974
USNM:PAL
Derbyia
USNM PAL729411 G. Cooper & E. Yochelson 1947-00-00
United States, Texas, Callahan County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020H
United States, Texas, Brewster County