USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324983 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V20689 1925-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis cylindrica Kiaer
USNM V13885 1928-00-00
Norway, Spitsbergen
USNM:PAL
Allocryptaspis laticostatus Denison
USNM V23200 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Allocryptaspis laticostatus Denison
USNM V23201 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V13890 1928-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris var. lata Kiaer in Kiaer & Heintz
USNM V20688 1928-00-00
Norway, Spitsbergen
USNM:PAL
Homaspis nitidus (Kiaer)
USNM V13888 1910-00-00
Norway, Spitsbergen
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL327200 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324981 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Poraspis polaris var. lata Kiaer in Kiaer & Heintz
USNM V13895 1928-00-00
Norway, Spitsbergen
USNM:PAL
Homaspis nitidus (Kiaer)
USNM V13884 1910-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis brevis Kiaer
USNM V13892 1928-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris Kiaer
USNM V20687 1910-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis
USNM V13893 1909-00-00
Norway, Spitsbergen
USNM:PAL
Archegonaspis drummondi Denison
USNM PAL327184
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V13894 1925-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V13896 1925-00-00
Norway, Spitsbergen
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324980 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Vernonaspis leonardi Denison
USNM PAL327183
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324979 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V13887 1925-00-00
Norway, Spitsbergen
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324978 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Archegonaspis drummondi Denison
USNM PAL327185
United States
USNM:PAL
Poraspis elongata Kiaer
USNM V13886 1925-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris var. lata Kiaer in Kiaer & Heintz
USNM V13891 1928-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris var. lata Kiaer in Kiaer & Heintz
USNM V13889 1928-00-00
Norway, Spitsbergen
USNM:PAL
Allocryptaspis laticostatus Denison
USNM PAL324984 J. Carman
United States, Ohio, Lucas County
USNM:PAL
Americaspis americana (Claypole)
USNM V21428 J. Price 1939-00-00
United States, Pennsylvania, Perry County
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V20685 1928-00-00
Norway, Spitsbergen
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V20686 1928-00-00
Norway, Spitsbergen
USNM:PAL
Americaspis americana (Claypole)
USNM V11686 G. Van Ingen
United States, Pennsylvania, Perry County
USNM:PAL
Americaspis americana (Claypole)
USNM V16356 J. Price 1939-00-00
United States, Pennsylvania, Perry County
USNM:PAL
Poraspis polaris var. angusta Kiaer in Kiaer & Heintz
USNM V20690 1925-00-00
Norway, Spitsbergen