USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158186 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177534 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Trematospira multistriata (Hall)
USNM PAL61821
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171566 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159581
United States, Nevada
USNM:PAL
Homoeospirella costatula arkansana Amsden
USNM PAL158192 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177496 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157161 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Homoeospira foerstei Amsden
USNM PAL115330 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177495 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157159 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Trematospira camura (Hall)
USNM PAL97679 C. Butts
United States, Virginia, Craig County
USNM:PAL
Homoeospira pisum Foerste
USNM PAL86959
USNM:PAL
Rhynchospirina Johnson
USNM PAL180807
United States, Nevada, Eureka County
USNM:PAL
Trematospira camura pauplicata (Hall)
USNM PAL84919
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158188 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Trematospira perforata Hall
USNM PAL157151
United States, Nevada, Eureka County
USNM:PAL
Trematospira cooperi Merriam
USNM PAL96372 Merriam
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171565 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157156
United States, Nevada, Eureka County
USNM:PAL
Homoeospirella costatula arkansana Amsden
USNM PAL158190 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Trematospira hippolyte (Billings)
USNM PAL34119 Matthes 1897-00-00
United States, Oklahoma
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177535 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157163 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Homoeospira schucherti Foerste
USNM PAL86962
USNM:PAL
Homoeospira subgibbosa Amsden
USNM PAL115326 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Trematospira perforata Hall
USNM PAL157154 Murphy
United States, Nevada, Eureka County
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159583
United States, Nevada
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158185 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospira evax (Hall)
USNM PAL204292 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Trematospira subglobosa (Hall)
USNM PAL390142
United States, Nevada
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171563 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164908 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158183 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Trematospira subglobosa (Hall)
USNM PAL390141 TA-II 370
United States, Nevada
USNM:PAL
Homoeospira evax (Hall)
USNM PAL204293 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158184 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171564 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171569 M. Murphy 1965-00-00
United States, Nevada, Eureka County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157162 Murphy
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164904 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Trematospira infrequens Walcott
USNM PAL13843 C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157155
United States, Nevada, Eureka County
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158187 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158181 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Rhynchospirina Johnson
USNM PAL180805
United States, Nevada, Eureka County
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159582
United States, Nevada
USNM:PAL
Trematospira camura (Hall)
USNM PAL177505 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Trematospira helena Nettelroth
USNM PAL51321
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159580
United States, Nevada
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159585
United States, Nevada
USNM:PAL
Trematospira multistriata (Hall)
USNM PAL97744 C. Butts
United States, Virginia, Highland County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164909 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157158 Murphy & Boucot
United States, Nevada, Eureka County
USNM:PAL
Homoeospira foerstei Amsden
USNM PAL115329 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Trematospira equistriata Hall & Clarke
USNM PAL163228 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Homoeospira evax (Hall)
USNM PAL97683A C. Butts
United States, Virginia, Highland County
USNM:PAL
Trematospira camura (Hall)
USNM PAL177504 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164906 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Homoeospira subgibbosa Amsden
USNM PAL115327 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Rhynchospirina Johnson
USNM PAL180806
United States, Nevada, Eureka County
USNM:PAL
Homoeospira evax (Hall)
USNM PAL204291 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Trematospira perforata Hall
USNM PAL157150
United States, Nevada, Eureka County
USNM:PAL
Trematospira camura (Hall)
USNM PAL97651 C. Butts
United States, Virginia, Highland County
USNM:PAL
Trematospira equistriata Hall & Clarke
USNM PAL97935 C. Butts
United States, Virginia, Highland County
USNM:PAL
Homoeospira foerstei Amsden
USNM PAL115328 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158189 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospira evax (Hall)
USNM PAL97683B C. Butts
United States, Virginia, Highland County
USNM:PAL
Trematospira perforata atlantica Clarke
USNM PAL56716
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177497 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Trematospira camura (Hall)
USNM PAL177507 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164907 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159584
United States, Nevada
USNM:PAL
Homoeospira schucherti elongata Foerste
USNM PAL86961
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157160 Johnson Et Al
United States, Nevada, Eureka County
USNM:PAL
Trematospira perforata Hall
USNM PAL157153 Murphy
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171567 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina siemiradzkii Kozlowski
USNM PAL171568 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164905 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Homoeospira evax var. marylandica Prouty
USNM PAL177533 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Homoeospirella costatula arkansana Amsden
USNM PAL158191 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Homoeospira evax (Hall)
USNM PAL204289 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Homoeospira beecheri Foerste
USNM PAL86960
USNM:PAL
Homoeospira evax (Hall)
USNM PAL204290 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Homoeospira subgibbosa Amsden
USNM PAL115392
USNM:PAL
Trematospira camura (Hall)
USNM PAL177506 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Rhynchospirina Boucot & Johnson
USNM PAL164910 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Homoeospirella pygmaea Amsden
USNM PAL158182 R. Mesler
United States, Arkansas, Independence County
USNM:PAL
Trematospira mcbridei Merriam
USNM PAL159579
United States, Nevada
USNM:PAL
Trematospira perforata Hall
USNM PAL157152 Murphy
United States, Nevada, Eureka County
USNM:PAL
Trematospira equistriata Hall & Clarke
USNM PAL163229 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Pseudoparazyga cooperi (Merriam)
USNM PAL157157
United States, Nevada, Eureka County
USNM:PAL
Trematospira perforata Hall
USNM PAL157149 A. Boucot
United States, Nevada, Eureka County