USNM:PAL
Uncinulus stricklandi (Sowerby)
USNM PAL176940 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Plethorhyncha pliopleura (Conrad)
USNM PAL56742
USNM:PAL
Hypothyridina emmonsi rotunda (Hall & Whitfield)
USNM PAL14023A
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125878 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL203496 Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Uncinulus gordoni Maynard
USNM PAL174397 Rowe
United States, Maryland, Allegany County
USNM:PAL
Uncinulus obsolescens Swartz
USNM PAL177303 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Uncinulus stricklandi (Sowerby)
USNM PAL176939 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Uncinulus convexorus Maynard
USNM PAL177127 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Uncinulus globulus Schuchert
USNM PAL176967 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125876 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Sphaerirhynchia gibbosa (Nikiforova)
USNM PAL171503 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Sphaerirhynchia gibbosa (Nikiforova)
USNM PAL171502 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Uncinulus marylandicus Swartz
USNM PAL176948 Maryland Geological Survey
United States, West Virginia, Morgan County
USNM:PAL
Uncinulus convexorus Maynard
USNM PAL177128 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL201161A
United States, New Mexico
USNM:PAL
Hypothyridina emmonsi Hall & White
USNM PAL135264
USNM:PAL
Uncinulus obtusiplicatus (Hall)
USNM PAL142839
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL160128
United States, Maine, Somerset County
USNM:PAL
Sphaerirhynchia sp a Boucot & Johnson
USNM PAL164846 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Hypothyridina venustula robusta Cooper & Williams
USNM PAL89863A
USNM:PAL
Hypothyridina magister Belanski
USNM PAL371894
United States, Alaska
USNM:PAL
Uncinulus pyramidatus (Hall)
USNM PAL153133B
USNM:PAL
Wilsonia saffordi (Hall)
USNM PAL62290
USNM:PAL
Uncinulus ventricosus (Hall)
USNM PAL26044
United States, New York
USNM:PAL
Uncinulus gordoni Maynard
USNM PAL174396 Rowe
United States, Maryland, Allegany County
USNM:PAL
Uncinulus nucleolatus var. angulatus Maynard
USNM PAL174424 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Uncinulus obsolescens Swartz
USNM PAL177301 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Hypothyridina magister Belanski
USNM PAL1255
USNM:PAL
Hypothyridina parva Cooper
USNM PAL108214A Bridge & Cooper 1939-00-00
United States, Missouri
USNM:PAL
Uncinulus nucleolatus (Hall)
USNM PAL181812
United States, Oklahoma
USNM:PAL
Sphaerirhynchia sp a Boucot & Johnson
USNM PAL164847 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Hypothyridina Cooper & Dutro
USNM PAL201141 Cooper & Dutro
United States, New Mexico
USNM:PAL
Plethorhyncha barrandei Hall
USNM PAL56743
USNM:PAL
Sphaerirhynchia sp b Boucot & Johnson
USNM PAL164840 W. Smith 1961-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Genus sp a
USNM PAL481658
United States, Alaska
USNM:PAL
Plethorhyncha andersoni Merriam
USNM PAL159574
United States, Nevada
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL201171B Stevenson & Bowsher
United States, New Mexico
USNM:PAL
Uncinulus keyserensis Schuchert
USNM PAL61848
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL127385 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Uncinulus Butts
USNM PAL97639A Butts & Meacham
United States, Virginia, Lee County
USNM:PAL
Hypothyridina parva Cooper
USNM PAL108214 Bridge & Cooper 1939-00-00
United States, Missouri
USNM:PAL
Hypothyridina magister Belanski
USNM PAL481664
United States, Alaska
USNM:PAL
Wilsonia kokomdensis (Miller)
USNM PAL64332
USNM:PAL
Uncinulus pyramidatus (Hall)
USNM PAL181811
United States, Oklahoma
USNM:PAL
Sphaerirhynchia wilsoni (Sowerby)
USNM PAL99914
England
USNM:PAL
Pectorhyncha obtusiplicata (Hall)
USNM PAL518973
United States, New York
USNM:PAL
Sphaerirhynchia sp c Boucot & Johnson
USNM PAL164837 H. Arnold
Venezuela, Merida, Libertador District
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125877 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Hypothyridina venustula multicosta Cooper & Williams
USNM PAL89867
USNM:PAL
Plethorhyncha andersoni Merriam
USNM PAL159575
United States, Nevada
USNM:PAL
Uncinulus Butts
USNM PAL97746B Butts & Oder
United States, Virginia, Craig County
USNM:PAL
Uncinulus stricklandi (Sowerby)
USNM PAL176937 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Uncinulus convexorus Maynard
USNM PAL97699A C. Butts
United States, Virginia, Shenandoah County
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL160129
United States, Maine, Somerset County
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL203499B
United States, New Mexico
USNM:PAL
Hypothyridina emmonsi rotunda Cooper & Dutro
USNM PAL201162
United States, New Mexico, Otero County
USNM:PAL
Hypothyridina Cooper & Dutro
USNM PAL201090A Cooper & Dutro
United States, New Mexico
USNM:PAL
Hypothyridina emmonsi rotunda Cooper & Dutro
USNM PAL200947B
United States, New Mexico
USNM:PAL
Uncinulus gordoni Maynard
USNM PAL174395 Rowe
United States, Maryland, Allegany County
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125871 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Hypothyridina venustula (Hall)
USNM PAL173981 Ellison
United States, Pennsylvania, Blair County
USNM:PAL
Uncinulus convexorus Maynard
USNM PAL177126 Maryland Geological Survey
United States, West Virginia, Mineral County
USNM:PAL
Sphaerirhynchia sp c Boucot & Johnson
USNM PAL164839 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Hypothyridina emmonsi rotunda Cooper & Dutro
USNM PAL200947C
United States, New Mexico
USNM:PAL
Uncinulus convexorus Maynard
USNM PAL81515
USNM:PAL
Uncinulus marylandicus Swartz
USNM PAL176950 Maryland Geological Survey
United States, West Virginia, Morgan County
USNM:PAL
Uncinulus obtusiplicatus (Hall)
USNM PAL142838
USNM:PAL
Sphaerirhynchia gibbosa (Nikiforova)
USNM PAL171506 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL200948B
United States, New Mexico, Otero County
USNM:PAL
Plethorhyncha andersoni Merriam
USNM PAL159577
United States, Nevada
USNM:PAL
Sphaerirhynchia sp c Boucot & Johnson
USNM PAL164838 R. Shagam 1962-00-00
Venezuela, Merida, Libertador District
USNM:PAL
Uncinulus Butts
USNM PAL97746A Butts & Oder
United States, Virginia, Craig County
USNM:PAL
Uncinulus abruptus (Hall)
USNM PAL97745A Butts & Edmundson
United States, Virginia, Highland County
USNM:PAL
Hypothyridina emmonsi Cooper & Dutro
USNM PAL203499A
United States, New Mexico
USNM:PAL
Hypothyridina venustula (Hall)
USNM PAL380745
United States, New York, Onondaga County
USNM:PAL
Wilsonia globosa Weller
USNM PAL177017 Maryland Geological Survey
United States, Maryland, Washington County
USNM:PAL
Wilsonia globosa Weller
USNM PAL174399 Maynard
United States, Maryland, Allegany County
USNM:PAL
Sphaerirhynchia sp a Boucot & Johnson
USNM PAL164844 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Hypothyridina emmonsi rotunda Cooper & Dutro
USNM PAL200946 F. Stevenson
United States, New Mexico
USNM:PAL
Sphaerirhynchia sp a Boucot & Johnson
USNM PAL164843 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Uncinulus pyramidatus (Hall)
USNM PAL153133A
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL126389 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Hypothyridina magister Belanski
USNM PAL71044
USNM:PAL
Sphaerirhynchia sp a Boucot & Johnson
USNM PAL164845 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125874 A. Boucot 1952-07-30
United States, Maine, Somerset County
USNM:PAL
Uncinulus obsolescens Swartz
USNM PAL177302 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Hypothyridina venustula (Hall)
USNM PAL89865
USNM:PAL
Uncinulus marylandicus Swartz
USNM PAL176949 Maryland Geological Survey
United States, West Virginia, Morgan County
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL125879 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Uncinulus marylandicus Swartz
USNM PAL176951 Maryland Geological Survey
United States, West Virginia, Morgan County
USNM:PAL
Uncinulus obtusiplicatus (Hall)
USNM PAL142835
USNM:PAL
Uncinulus obtusiplicatus (Hall)
USNM PAL142834
USNM:PAL
Sphaerirhynchia Boucot
USNM PAL126385 A. Boucot 1952-00-00
United States, Maine, Somerset County
USNM:PAL
Uncinulus obsolescens Swartz
USNM PAL177304 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Uncinulus gordoni Maynard
USNM PAL174398 Rowe
United States, Maryland, Allegany County
USNM:PAL
Hypothyridina Cooper & Dutro
USNM PAL201090B Cooper & Dutro
United States, New Mexico
USNM:PAL
Uncinulus pyramidatus (Hall)
USNM PAL97876 C. Butts
United States, Virginia, Smyth County
USNM:PAL
Uncinulus campbellanus (Hall)
USNM PAL181813
United States, Oklahoma
USNM:PAL
Sphaerirhynchia Johnson
USNM PAL180780
United States, Nevada, Eureka County