USNM:PAL
Tylothyris bella Cooper
USNM PAL111670 Cooper & Warthin 1942-00-00
United States, Illinois, Union County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161N
United States, Alaska
USNM:PAL
Tylothyris missouriensis (Weller)
USNM PAL154807
United States, Texas, McCulloch County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161V
United States, Alaska
USNM:PAL
Mucrospirifer thedfordensis Shrimer & Grabau
USNM PAL380761 J. Wright
Canada, Ontario
USNM:PAL
Mucrospirifer (Mucrospirifer) sculptilis Cooper & Dutro
USNM PAL201185C
United States, New Mexico
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154814
United States, Texas, McCulloch County
USNM:PAL
Tylothyris subvaricosa (Hall & Whitfield)
USNM PAL400621 Cooper Et Al
United States, Michigan, Presque Isle County
USNM:PAL
Mucrospirifer montmarionensis Duane
USNM PAL136824
USNM:PAL
Tylothyris pauliformis (Williams)
USNM PAL174190 Ellison
United States, Pennsylvania, Perry County
USNM:PAL
Mucrospirifer thedfordensis (Shrimer & Grabau)
USNM PAL380800 J. Wright
Canada, Ontario
USNM:PAL
Tylothyris subvaricosa (Hall & Whitfield)
USNM PAL400624 Cooper Et Al
United States, Michigan, Presque Isle County
USNM:PAL
Mucrospirifer mucronatus (Conrad)
USNM PAL174137 Ellison
United States, Pennsylvania, Huntingdon County
USNM:PAL
Mucrospirifer (Mucrospirifer) sculptilis Cooper & Dutro
USNM PAL201185D
United States, New Mexico
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL62025
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161K
United States, Alaska
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL201146
United States, New Mexico
USNM:PAL
Tylothyris bella Cooper
USNM PAL111671 Cooper & Cloud 1936-00-00
United States, Illinois
USNM:PAL
Eleutherokomma extensa Cooper & Dutro
USNM PAL200876A A. Bowsher
United States, New Mexico
USNM:PAL
Texathyris elegantula Carter
USNM PAL177149
United States, Texas, San Saba County
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL201148A Bridge & Cooper
United States, New Mexico
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161C
United States, Alaska
USNM:PAL
Mucrospirifer mucronatus (Conrad)
USNM PAL174141 Ellison
United States, Pennsylvania, Fulton County
USNM:PAL
Tylothyris sulcocosata Cooper & Dutro
USNM PAL201067A Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Mucrospirifer thedfordensis (Shrimer & Grabau)
USNM PAL380799 J. Wright
Canada, Ontario
USNM:PAL
Texathyris elegantula Carter
USNM PAL177135
United States, Texas, San Saba County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161F
United States, Alaska
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL201147A
United States, New Mexico
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161H
United States, Alaska
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL155804
USNM:PAL
Eleutherokomma impennis Crickmay
USNM PAL327545 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Tylothyris missouriensis (Weller)
USNM PAL182356
United States, Texas, McCulloch County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161I
United States, Alaska
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161A
United States, Alaska
USNM:PAL
Texathyris elegantula Carter
USNM PAL177151
United States, Texas, San Saba County
USNM:PAL
Apousiella bouchardi (Murchison)
USNM PAL177155
France
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161T
United States, Alaska
USNM:PAL
Tylothyris missouriensis (Weller)
USNM PAL182357
United States, Texas, McCulloch County
USNM:PAL
Tylothyris novamexicana Stainbrook
USNM PAL201017
United States, New Mexico
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154813
United States, Texas, McCulloch County
USNM:PAL
Mucrospirifer kashongensis Duane
USNM PAL136822
USNM:PAL
Mucrospirifer kashongensis Duane
USNM PAL136823
USNM:PAL
Texathyris elegantula Carter
USNM PAL177133
United States, Texas, San Saba County
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154815
United States, Texas, McCulloch County
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL155803
USNM:PAL
Tylothyris sulcocosata Cooper & Dutro
USNM PAL201067B Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Texathyris elegantula Carter
USNM PAL177150
United States, Texas, San Saba County
USNM:PAL
Eleutherokomma Cooper & Dutro
USNM PAL203560C Cooper & Dutro
United States, New Mexico
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL200848A Cooper & Grant
United States, New Mexico
USNM:PAL
Mucrospirifer macra (Hall)
USNM PAL160135 A. Boucot 1949-08-30
United States, Maine, Somerset County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177147
United States, Texas, San Saba County
USNM:PAL
Tylothyris sp 1 Cooper & Dutro
USNM PAL201049 Bowsher & Cooper
United States, New Mexico
USNM:PAL
Texathyris elegantula Carter
USNM PAL177137
United States, Texas, San Saba County
USNM:PAL
Tylothyris compacta Cooper & Dutro
USNM PAL200986C Cooper & Dutro
United States, New Mexico
USNM:PAL
Mucrospirifer
USNM PAL380752 Cooper & Cooper
United States, Michigan, Presque Isle County
USNM:PAL
Tylothyris Sanders in Easton et al.
USNM PAL127932
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL200848B Cooper & Grant
United States, New Mexico
USNM:PAL
Tylothyris novamexicana Stainbrook
USNM PAL201060 F. Stevenson
United States, New Mexico
USNM:PAL
Eleutherokomma mesacostalis (Hall)
USNM PAL380823 E. Kindle
United States, New York, Broome County
USNM:PAL
Tylothyris rockportensis Rogers & Pitrat
USNM PAL400622 Cooper Et Al
United States, Michigan, Alpena County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177138
United States, Texas, San Saba County
USNM:PAL
Mucrospirifer (Mucrospirifer) sculptilis Cooper & Dutro
USNM PAL201185B
United States, New Mexico
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL223908
United States, Alaska
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161J
United States, Alaska
USNM:PAL
Tylothyris sulcocosata Cooper & Dutro
USNM PAL201016
United States, New Mexico
USNM:PAL
Apousiella bouchardi (Murchison)
USNM PAL177154
France
USNM:PAL
Tylothyris subvaricosa (Hall & Whitfield)
USNM PAL400623 Cooper Et Al
United States, Michigan, Presque Isle County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161M
United States, Alaska
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161B
United States, Alaska
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL223907
United States, Alaska
USNM:PAL
Mucrospirifer mucronatus (Conrad)
USNM PAL386647
United States, New York
USNM:PAL
Tylothyris sulcocosata Cooper & Dutro
USNM PAL201067C Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Mucrospirifer mucronatus (Conrad)
USNM PAL174140 Ellison
United States, Pennsylvania, Fulton County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161G
United States, Alaska
USNM:PAL
Tylothyris rockportensis Rogers & Pitrat
USNM PAL400625 Cooper Et Al
United States, Michigan, Alpena County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177145
United States, Texas, San Saba County
USNM:PAL
Eleutherokomma Cooper & Dutro
USNM PAL203560B Cooper & Dutro
United States, New Mexico
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161D
United States, Alaska
USNM:PAL
Strophopleura notabilis (Kindle)
USNM PAL155804
USNM:PAL
Tylothyris sp 1 Cooper & Dutro
USNM PAL201048 Bowsher & Cooper
United States, New Mexico
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154818
United States, Texas, McCulloch County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177146
United States, Texas, San Saba County
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154816
United States, Texas, McCulloch County
USNM:PAL
Mucrospirifer refugiensis Savage et al.
USNM PAL161161O
United States, Alaska
USNM:PAL
Tylothyris novamexicana Stainbrook
USNM PAL135263
USNM:PAL
Apousiella bouchardi (Murchison)
USNM PAL177141
France
USNM:PAL
Texathyris elegantula Carter
USNM PAL177148
United States, Texas, San Saba County
USNM:PAL
Apousiella bouchardi (Murchison)
USNM PAL177140
France
USNM:PAL
Tylothyris compacta Cooper & Dutro
USNM PAL200986A Cooper & Dutro
United States, New Mexico
USNM:PAL
Eleutherokomma extensa Cooper & Dutro
USNM PAL200876B A. Bowsher
United States, New Mexico
USNM:PAL
Tylothyris missouriensis (Weller)
USNM PAL181018
United States, Texas, McCulloch County
USNM:PAL
Tylothyris novamexicana (Miller)
USNM PAL263447
United States, Arizona, Cochise County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177144
United States, Texas, San Saba County
USNM:PAL
Tylothyris compacta Cooper & Dutro
USNM PAL200986B Cooper & Dutro
United States, New Mexico
USNM:PAL
Tylothyris sulcocosata Cooper & Dutro
USNM PAL201033 Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Tylothyris missouriensis (Weller)
USNM PAL182355
United States, Texas, San Saba County
USNM:PAL
Texathyris elegantula Carter
USNM PAL177153
United States, Texas, San Saba County
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154819
United States, Texas, McCulloch County
USNM:PAL
Eleutherokomma
USNM PAL380974
Canada, Northwest Territories
USNM:PAL
Tylothyris brevaurita Carter
USNM PAL154812
United States, Texas, McCulloch County