USNM:PAL
Spinatrypa (Invertrypa) subnuba Johnson
USNM PAL168859 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL147262
USNM:PAL
Atrypa montanensis Kindle
USNM PAL124514
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL14019B C. King
United States, Nevada, White Pine District
USNM:PAL
Catazyga anticostiensis (Billings)
USNM PAL139898 D. Rankin
United States, Maine, Penobscot County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139996
USNM:PAL
Atrypa pronis onusta Fenton & Fenton
USNM PAL84678
USNM:PAL
Spinatrypina asymmetrica Johnson & Flory
USNM PAL180820 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypa nevadana Merriam
USNM PAL157061
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis var. a Boucot & Johnson
USNM PAL164866 H. Arnold
Venezuela, Barinas, Pedraza District
USNM:PAL
Atrypa independensis Webster
USNM PAL84653
USNM:PAL
Spinatrypa (Invertrypa) subnuba Johnson
USNM PAL168863 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL85957
USNM:PAL
Pseudoatrypa devoniana (Webster)
USNM PAL200944 Stevenson & Bowsher
United States, New Mexico
USNM:PAL
Atrypa independensis Webster
USNM PAL84727
USNM:PAL
Zygospira modesta Hall
USNM PAL96240
USNM:PAL
Zygospira elongata Cooper
USNM PAL111375 E. Ulrich
United States, Tennessee, Cannon County
USNM:PAL
Spinatrypa Johnson et al.
USNM PAL204273 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypa Cooper & Cloud
USNM PAL95184 Cooper & Cloud
United States, Illinois, Calhoun County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL181816
United States, Oklahoma
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL174112 Ellison
United States, Pennsylvania, Bedford County
USNM:PAL
Spinatrypina asymmetrica Johnson & Flory
USNM PAL180825 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Pseudoatrypa
USNM PAL381048
Canada, Northwest Territories
USNM:PAL
Pseudoatrypa devoniana (Webster)
USNM PAL201094 Stevenson & Bowsher
United States, New Mexico
USNM:PAL
Catazyga uphami australis Foerste
USNM PAL87043
USNM:PAL
Atrypa spinosa Hall
USNM PAL98012B Butts & Oder
United States, West Virginia
USNM:PAL
Spinatrypa Johnson
USNM PAL188415 R. Flory 1972-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL62225
USNM:PAL
Spinatrypa coriacea Crickmay
USNM PAL298687 W. Trojan 1977-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa waterlooensis canadensis Webster
USNM PAL78587
USNM:PAL
Atrypa gigantea Webster
USNM PAL78607
USNM:PAL
Anatrypa (Variatrypa) exoleta Johnson
USNM PAL188437 Flory & Wright 1970-00-00
United States, Nevada, Eureka County
USNM:PAL
Spinatrypa (Invertrypa) subnuba Johnson
USNM PAL168866 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Desquamatia costata Cooper & Dutro
USNM PAL201007A Cooper & Dutro
United States, New Mexico
USNM:PAL
Spinatrypa andersonensis (Warren)
USNM PAL298685 W. Trojan 1977-00-00
United States, Nevada, Eureka County
USNM:PAL
Spinatrypa trulla decorticata (Stainbrook)
USNM PAL200998 F. Stevenson
United States, New Mexico
USNM:PAL
Spinatrypina asymmetrica Johnson & Flory
USNM PAL180817 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypa arctostriata Foerste
USNM PAL115314 T. Amsden
United States, Oklahoma, Pontotoc County
USNM:PAL
Desquamatia costata Cooper & Dutro
USNM PAL201007B Cooper & Dutro
United States, New Mexico
USNM:PAL
Atrypa reticularis var. b Boucot & Johnson
USNM PAL164864 R. Shagam 1963-00-00
Venezuela, Barinas, Pedraza District
USNM:PAL
Spinatrypa (Invertrypa) subnuba Johnson
USNM PAL168861 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Iowatrypa owenensis (Webster)
USNM PAL371888
United States, Alaska
USNM:PAL
Atrypa calvini Nettelroth
USNM PAL62292
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL51229
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139987
USNM:PAL
Spinatrypa lata (Warren)
USNM PAL145514
USNM:PAL
Atrypa sp a Johnson
USNM PAL157060
United States, Nevada, Eureka County
USNM:PAL
Iowatrypa rara Cooper & Dutro
USNM PAL201099 Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL631A
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139978
USNM:PAL
Spinatrypa obsolescens Cooper & Dutro
USNM PAL200997C
United States, New Mexico, Socorro County
USNM:PAL
Atrypa nevadana Merriam
USNM PAL157063
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL177377 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Spinatrypina sp d Johnson
USNM PAL251924 M. Murphy 1975-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa montanensis Kindle
USNM PAL124518
USNM:PAL
Atrypa hystrix Hall
USNM PAL177291 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL97743A C. Butts
United States, West Virginia
USNM:PAL
Atrypa hystrix Hall
USNM PAL177288 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL71600B C. Butts
United States, Alabama, Calhoun County
USNM:PAL
Spinatrypina angusticostata Johnson & Trojan
USNM PAL327537 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa inflata Webster
USNM PAL84656
USNM:PAL
Gotatrypa altera Boucot et al.
USNM PAL409967 A. Boucot 1963-00-00
United States, California
USNM:PAL
Atrypa hystrix var. elongata Webster
USNM PAL78604
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL126744 R. Finks
United States, New York, Orange County
USNM:PAL
Atrypa sp a Fagerstrom
USNM MO549478
Canada, Ontario, Bruce County
USNM:PAL
Anatrypa micans (Buch)
USNM PAL160222
USNM:PAL
Atrypa spinosa Hall
USNM PAL51214
USNM:PAL
Iowatrypa rara Cooper & Dutro
USNM PAL203507 Cooper & Dutro
United States, New Mexico
USNM:PAL
Zygospira mediocostellata Cooper
USNM PAL117260B G. Cooper
United States, Tennessee
USNM:PAL
Anatrypa calypso Johnson
USNM PAL168871 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139984
USNM:PAL
Atrypa nevadana Merriam
USNM PAL390138 SSN-1-571
United States, Nevada
USNM:PAL
Atrypa lineata Webster
USNM PAL78609
USNM:PAL
Spinatrypina comitata Cooper
USNM PAL327523 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Eospinatrypa sagana Boucot et al.
USNM PAL409974 A. Boucot 1963-00-00
United States, California
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL62951
USNM:PAL
Atrypa waterlooensis Webster
USNM PAL84706
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL136808
USNM:PAL
Hystricina trolla Stainbrook
USNM PAL135268
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL62293
USNM:PAL
Spinatrypa Johnson
USNM PAL188413 R. Flory 1972-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa lineata Webster
USNM PAL84739
USNM:PAL
Catazyga anticostiensis (Billings)
USNM PAL139897 D. Rankin
United States, Maine, Penobscot County
USNM:PAL
Atrypa nevadana Merriam
USNM PAL157062
United States, Nevada, Eureka County
USNM:PAL
Atrypa devoniana Webster
USNM PAL78605
USNM:PAL
Anatrypa micans (Buch)
USNM PAL160223
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL14019A
USNM:PAL
Atrypa altilis Hall
USNM PAL486711
United States, New York
USNM:PAL
Atrypa palmata Morris & Sharpe
USNM PAL125132
USNM:PAL
Atrypa tennesseensis Amsden
USNM PAL126401 A. Boucot 1952-08-26
United States, Maine, Somerset County
USNM:PAL
Variatrypa (Radiatrypa) klukasi (Norris)
USNM PAL327520 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL13845A
USNM:PAL
Anatrypa (Variatrypa) exoleta Johnson
USNM PAL188434 M. Murphy
United States, Nevada
USNM:PAL
Atrypa marginalis Dalman
USNM PAL84814