USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821F
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556C
USNM:PAL
Schizambon perspinosum Cooper
USNM PAL109681D Loeblich Et Al
United States, Oklahoma, Carter County
USNM:PAL
Schizambon occidentalis Ulrich & Cooper
USNM PAL52223A
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140838
USNM:PAL
Siphonotreta curta Dana
USNM PAL324255
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556E C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Siphonotreta americana Cooper
USNM PAL109636G R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821A
USNM:PAL
Schizambon cancellata (Walcott)
USNM PAL52079A
USNM:PAL
Siphonotreta tertia (Walcott)
USNM PAL92828A C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Acanthambonia virginiensis Cooper
USNM PAL116797 G. Cooper
United States, Virginia
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556B C. Walcott
United States, Eureka District
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556E
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224D
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140718D Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556E
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556D
USNM:PAL
Schizambon priscus Matthew
USNM PAL52226C
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140838B Shell Development Co.
United States, Montana, Wibaux County
USNM:PAL
Schizambon borealis Ulrich & Cooper
USNM PAL92822A L. Burling
United States, Alaska
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821D J. Brown 1932-10-00
Argentina, Jujuy Prov
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140718E Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon esthonia Walcott
USNM PAL52222A
Russia
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140718
USNM:PAL
Schizambon subradiatum Cooper
USNM PAL109685 R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Siphonotreta dubia Walcott
USNM PAL52215 F. Weeks 1899-00-00
United States, Nevada, Esmeralda County
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224G C. Walcott 1890-00-00
United States, Colorado, El Paso County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL52223A Walcott & Burling 1906-00-00
United States, Utah, Cache County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556D
USNM:PAL
Schizambon priscus Matthew
USNM PAL52226B S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Helmersenia ladogensis (Jeremejew)
USNM PAL51941
Russia
USNM:PAL
Schizambon macrothyris Cooper
USNM PAL116828C G. Cooper
United States, Virginia
USNM:PAL
Acanthambonia virginiensis Cooper
USNM PAL116797E G. Cooper
United States, Virginia
USNM:PAL
Schizambon pennsylvanicum Ulrich & Cooper
USNM PAL92825 E. Ulrich
United States, Pennsylvania
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821B J. Brown 1932-10-00
Argentina, Jujuy Prov
USNM:PAL
Helmersenia ladogensis (Jeremejew)
USNM PAL51940
Russia
USNM:PAL
Schizambon cuneatus Willard
USNM PAL98204A R. Mesler
United States, Virginia, Scott County
USNM:PAL
Schizambon hirsutum Cooper
USNM PAL109670A G. Cooper
United States, Virginia
USNM:PAL
Siphonotreta verrucosa (Eichwald)
USNM PAL52217A
Russia
USNM:PAL
Schizambon typicalis Walcott
USNM PAL52223C Walcott & Burling 1906-00-00
United States, Utah, Cache County
USNM:PAL
Schizambon priscus Matthew
USNM PAL52227A S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Schizambon typicalis Walcott
USNM PAL52223
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140837 Shell Development Co.
United States, North Dakota, Billings County
USNM:PAL
Schizambon perspinosum Cooper
USNM PAL109680 Loeblich Et Al
United States, Oklahoma, Carter County
USNM:PAL
Schizambon perspinosum Cooper
USNM PAL109681A Loeblich Et Al
United States, Oklahoma, Carter County
USNM:PAL
Schizambon priscus Matthew
USNM PAL52226C S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Schizambon typicalis Walcott
USNM PAL516730 J. Miller
United States, Utah, Millard County
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821E
USNM:PAL
Schizambon delicatula Ulrich & Cooper
USNM PAL52219 E. Ulrich
United States, Utah
USNM:PAL
Schizambon typicalis Walcott
USNM PAL52223E Walcott & Burling 1906-00-00
United States, Utah, Cache County
USNM:PAL
Helmersenia ladogensis (Jeremejew)
USNM PAL51940B
Russia
USNM:PAL
Siphonotreta americana Cooper
USNM PAL109636E R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Schizambon subradiatum Cooper
USNM PAL109686E R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140718B Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL143025B 1952-00-00
United States, Nevada, White Pine County
USNM:PAL
Siphonotreta tertia (Walcott)
USNM PAL69653
USNM:PAL
Schizambon obtusus Holmer et al.
USNM PAL526127
United States, Utah, Millard County
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224C C. Walcott 1890-00-00
United States, Colorado, El Paso County
USNM:PAL
Schizambon occidentalis Ulrich & Cooper
USNM PAL52223B
USNM:PAL
Acanthambonia minutissima Cooper
USNM PAL116795A G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Schizambon perspinosum Cooper
USNM PAL109679 Loeblich Et Al
United States, Oklahoma, Carter County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556C C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140838A Shell Development Co.
United States, Montana, Wibaux County
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821C J. Brown 1932-10-00
Argentina, Jujuy Prov
USNM:PAL
Acanthambonia virginiensis Cooper
USNM PAL116797B G. Cooper
United States, Virginia
USNM:PAL
Schizambon priscus Matthew
USNM PAL52226A
USNM:PAL
Schizambon borealis Ulrich & Cooper
USNM PAL140707B Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon priscus Matthew
USNM PAL52226B
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224F
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224G
USNM:PAL
Schizambon sp 2 Cooper
USNM PAL109687 G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Acanthambonia virginiensis Cooper
USNM PAL116797D G. Cooper
United States, Virginia
USNM:PAL
Schizambon typicalis Walcott
USNM PAL52223B Walcott & Burling 1906-00-00
United States, Utah, Cache County
USNM:PAL
Schizambon typicalis Walcott
USNM PAL24556D
USNM:PAL
Siphonotreta americana Cooper
USNM PAL109635 R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Siphonotreta americana Cooper
USNM PAL109636 R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224B
USNM:PAL
Schizambon nobilis Poulsen
USNM PAL71019 C. Poulsen
Greenland
USNM:PAL
Acanthambonia virginiensis Cooper
USNM PAL116797C G. Cooper
United States, Virginia
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821F J. Brown 1932-10-00
Argentina, Jujuy Prov
USNM:PAL
Siphonotreta tertia (Walcott)
USNM PAL92828B C. Walcott & M. Walcott
Canada, Alberta
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821B
USNM:PAL
Acanthambonia minutissima Cooper
USNM PAL116796
USNM:PAL
Schizambon australis Ulrich & Cooper
USNM PAL92821G
USNM:PAL
Schizambon hirsutum Cooper
USNM PAL109670B G. Cooper
United States, Virginia
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL69686
USNM:PAL
Schizambon discoidea (Walcott)
USNM PAL140718C Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224D C. Walcott 1890-00-00
United States, Colorado, El Paso County
USNM:PAL
Schizambon subradiatum Cooper
USNM PAL109686C R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Siphonotreta unguiculata (Eichwald)
USNM PAL52218A
Russia
USNM:PAL
Schizambon borealis Ulrich & Cooper
USNM PAL140707C Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Schizambon manitouensis Walcott
USNM PAL52224A C. Walcott 1890-00-00
United States, Colorado, El Paso County