USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL152616F
United States, Texas, Brewster County
USNM:PAL
Derbyia arellanoi Cooper
USNM PAL115474B G. Cooper
Mexico, Sonora
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151179E
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153189E
United States, Texas, Brewster County
USNM:PAL
Derbyia crenulata Girty
USNM PAL151450D
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059M
United States, Texas, Brewster County
USNM:PAL
Derbyia scobina Grant
USNM PAL211708 R. Grant et al.
Thailand
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151198J
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122B
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153279D
United States, Texas, Brewster County
USNM:PAL
Orthotetes chemungensis (Conrad)
USNM PAL180949
United States, Colorado
USNM:PAL
Derbyia crenulata Girty
USNM PAL153287
United States, Texas, Brewster County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL151080E
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059G
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151119A
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL153284
United States, Texas, Brewster County
USNM:PAL
Derbyia scobina Grant
USNM PAL211711 R. Grant et al.
Thailand
USNM:PAL
Derbyia plicatella Waagen
USNM PAL153707 Grant & Fatmi
Pakistan
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL151154K
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL152616G
United States, Texas, Brewster County
USNM:PAL
Derbyia scobina Grant
USNM PAL211694 R. Grant et al.
Thailand
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL153288
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL151152B
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151073B
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153279B
United States, Texas, Brewster County
USNM:PAL
Derbyina smithii (Derby)
USNM PAL209028
Bolivia
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122J
United States, Texas, Brewster County
USNM:PAL
Orthotetes stenopsis Henry & Gordon
USNM PAL314160 Cooper & Mesler 1931-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151198O
United States, Texas, Brewster County
USNM:PAL
Orthotetes stenopsis Henry & Gordon
USNM PAL314151 Cooper & Mesler 1931-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia cymbula Hall & Clarke
USNM PAL134576
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL153449D
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122E
United States, Texas, Brewster County
USNM:PAL
Derbyia scobina Grant
USNM PAL211710 R. Grant et al.
Thailand
USNM:PAL
Derbyia scobina Grant
USNM PAL211707 R. Grant et al.
Thailand
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151192
United States, Texas, Brewster County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020C
United States, Texas, Brewster County
USNM:PAL
Derbyoides dunbari Cooper & Grant
USNM PAL150424E
United States, Texas, Brewster County
USNM:PAL
Derbyia scobina Grant
USNM PAL211712 R. Grant et al.
Thailand
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL153449C
United States, Texas, Brewster County
USNM:PAL
Orthotetes distortus Girty
USNM PAL179859 R. Hill 1899-11-03
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122Q
United States, Texas, Brewster County
USNM:PAL
Derbyia crenulata Girty
USNM PAL151048
United States, Texas, Culberson County
USNM:PAL
Derbyia nasuta Girty
USNM PAL151030J
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151064
United States, Texas, Brewster County
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151121A
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL153279A
United States, Texas, Brewster County
USNM:PAL
Orthotetes kaskaskiensis bransonorum (McChesney)
USNM PAL163728
United States, Wyoming, Fremont County
USNM:PAL
Derbyia scobina Grant
USNM PAL211699 R. Grant et al.
Thailand
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL152616D
United States, Texas, Brewster County
USNM:PAL
Derbyia strophomenoidea Cooper & Grant
USNM PAL151213B
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059K
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151136F
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151131A
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059D
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL153449B
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151134B
United States, Texas, Brewster County
USNM:PAL
Derbyia crassa Meek & Worthen
USNM PAL118921 Ransom 1902-00-00
United States, Arizona
USNM:PAL
Orthotetes
USNM PAL717012 A. Priest
United States, Iowa
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL151154O
United States, Texas, Brewster County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL151080A
United States, Texas, Brewster County
USNM:PAL
Derbyia nasuta Girty
USNM PAL118498
United States, Texas, El Paso County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020L
United States, Texas, Brewster County
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314132 Cooper, Grant & Brunton 1970-04-00
United States, Arkansas, Washington County
USNM:PAL
Hipparionyx proximus Vanuxem
USNM PAL71580 C. Butts
Canada, Ontario
USNM:PAL
Orthotetes stenopsis Henry & Gordon
USNM PAL314154 Cooper & Mesler 1931-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia elongata Cooper
USNM PAL115589 G. Cooper 1943-00-00
Mexico, Sonora
USNM:PAL
Derbyia scobina Grant
USNM PAL211697 R. Grant et al.
Thailand
USNM:PAL
Derbyina jamesiana (Rathbun)
USNM PAL209008
Bolivia
USNM:PAL
Derbyoides dunbari Cooper & Grant
USNM PAL150424F
United States, Texas, Brewster County
USNM:PAL
Derbyia laqueata Cooper & Grant
USNM PAL153293
United States, Texas, Brewster County
USNM:PAL
Derbyia bella Cooper & Grant
USNM PAL151025E
United States, Texas, Brewster County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL152282C
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL153449A
United States, Texas, Brewster County
USNM:PAL
Derbyia filosa Cooper & Grant
USNM PAL221001 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyoides marathonensis Cooper & Grant
USNM PAL150425A
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151059F
United States, Texas, Brewster County
USNM:PAL
Orthotetes subglobosus Girty
USNM PAL314129 Messler & Payne 1920-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia
USNM PAL729406 G. Cooper & R. Grant 1957-00-00
United States, Texas, Callahan County
USNM:PAL
Orthotetes mutabilis Girty
USNM PAL118713
USNM:PAL
Derbyia scobina Grant
USNM PAL211692 R. Grant et al.
Thailand
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL151015M
United States, Texas, Brewster County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151136A
United States, Texas, Brewster County
USNM:PAL
Derbyoides marathonensis Cooper & Grant
USNM PAL150425B
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL151056D
United States, Texas, Brewster County
USNM:PAL
Derbyia sp a Girty
USNM PAL118500B Hill & Girty 1901-09-00
United States, Texas, Culberson County
USNM:PAL
Hipparionyx Boucot
USNM PAL126149 A. Boucot 1949-08-26
United States, Maine, Somerset County
USNM:PAL
Derbyia cincinnata Cooper & Grant
USNM PAL151136C
United States, Texas, Brewster County
USNM:PAL
Derbyia profunda Cooper & Grant
USNM PAL151015I
United States, Texas, Brewster County
USNM:PAL
Derbyia deltauriculata Hoover
USNM PAL220996 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia complicata Cooper & Grant
USNM PAL151198M
United States, Texas, Brewster County
USNM:PAL
Derbyia sp 1 Girty
USNM PAL153466B
United States, Texas, Culberson County
USNM:PAL
Derbyia plicatella Waagen
USNM PAL153705 Grant & Fatmi
Pakistan
USNM:PAL
Orthotetes stenopsis Henry & Gordon
USNM PAL314159 Cooper & Mesler 1931-00-00
United States, Arkansas, Washington County
USNM:PAL
Derbyia carteri Cooper & Grant
USNM PAL151020J
United States, Texas, Brewster County
USNM:PAL
Derbyia informis Cooper & Grant
USNM PAL152607A
United States, Texas, Brewster County
USNM:PAL
Derbyia deltauriculata Hoover
USNM PAL220992 P. Hoover
Venezuela, Merida
USNM:PAL
Derbyia crassa (Meek & Hayden)
USNM PAL134574
USNM:PAL
Derbyia pannucia Cooper & Grant
USNM PAL151122K
United States, Texas, Brewster County
USNM:PAL
Derbyia texta Cooper & Grant
USNM PAL151179C
United States, Texas, Brewster County