USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL147259
USNM:PAL
Atrypa tennesseensis Amsden
USNM PAL126003 A. Boucot 1952-08-26
United States, Maine, Somerset County
USNM:PAL
Atrypa hystrix Hall
USNM PAL177290 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Catazyga homeospiroides Ross & Dutro
USNM PAL145329
USNM:PAL
Anatrypa calypso Johnson
USNM PAL168870 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa inflata Webster
USNM PAL84655
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL252052
United States, New Hampshire
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139981
USNM:PAL
Spinatrypa sp b Johnson
USNM PAL145513
USNM:PAL
Zygospira variabilis Fenton & Fenton
USNM PAL111387E Bridge & Cooper
United States, Missouri, Ste. Genevieve County
USNM:PAL
Spinatrypina lamellosa Johnson & Trojan
USNM PAL327534 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Anatrypa (Variatrypa) licta Johnson
USNM PAL162852 Murphy & Boucot
United States, Nevada, Eureka County
USNM:PAL
Atrypa desquamata Sowerby
USNM PAL13848A C. Walcott
United States, Nevada, Eureka District
USNM:PAL
Spinatrypa obsolescens Cooper & Dutro
USNM PAL200997B
United States, New Mexico, Socorro County
USNM:PAL
Spinatrypina soetenica (Struve)
USNM PAL188419 M. Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Catazyga anticostiensis (Billings)
USNM PAL139902 D. Rankin
United States, Maine, Penobscot County
USNM:PAL
Plectatrypa henningsmoeni Boucot & Johnson
USNM PAL155873 1932-00-00
Canada, Quebec
USNM:PAL
Atrypa independensis Webster
USNM PAL84687
USNM:PAL
Atrypa gigantea Webster
USNM PAL78606
USNM:PAL
Atrypa Amsden
USNM PAL158733 Mesler & Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Spinatrypina sp d Johnson
USNM PAL251920 M. Murphy 1975-00-00
United States, Nevada, Eureka County
USNM:PAL
Zygospira lebanonensis Cooper
USNM PAL111377 G. Cooper
United States, Tennessee, Bedford County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL126068 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Desquamatia clarkei (Warren)
USNM PAL251977 Flory & Wright 1970-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa montanensis Kindle
USNM PAL139083
USNM:PAL
Atrypa sinuata Cleland
USNM PAL85956
USNM:PAL
Karpinskia conjugula Tschernyschew
USNM PAL137940
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL62951 J. Clements
United States, Arizona
USNM:PAL
Plectatrypa imbricata (Sowerby)
USNM PAL164861 R. Shagam 1963-00-00
Venezuela
USNM:PAL
Atrypa (Gotatrypa) Johnson
USNM PAL180781
United States, Nevada, Eureka County
USNM:PAL
Variatrypa (Radiatrypa) advena Johnson & Trojan
USNM PAL327509 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa hystrix Hall
USNM PAL136819
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL126011 A. Boucot 1949-07-19
United States, Maine, Somerset County
USNM:PAL
Atrypa waterlooensis Webster
USNM PAL84708
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL71600A C. Butts
United States, Alabama, Calhoun County
USNM:PAL
Spinatrypina soetenica (Struve)
USNM PAL188417 R. Flory 1972-00-00
United States, Nevada, Eureka County
USNM:PAL
Spinatrypina asymmetrica Johnson & Flory
USNM PAL180818 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypa missouriensis Miller
USNM PAL62227
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139989
USNM:PAL
Zygospira mediocostellata Cooper
USNM PAL117260A G. Cooper
United States, Tennessee
USNM:PAL
Atrypa owenensis Webster
USNM PAL84696
USNM:PAL
Zygospira lebanonensis Cooper
USNM PAL133269 Ross 1955-00-00
United States, Idaho, Butte County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL177503 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Atrypa aspera Schlotheim
USNM PAL633
USNM:PAL
Anatrypa (Variatrypa) licta Johnson
USNM PAL162856 Murphy & Boucot
United States, Nevada, Eureka County
USNM:PAL
Atrypa nieczlawiensis Kozlowski
USNM PAL171519 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Spinatrypa Johnson
USNM PAL188414 M. Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Zygospira circularis Cooper
USNM PAL133268 Ross 1955-00-00
United States, Idaho, Butte County
USNM:PAL
Iowatrypa americana (Stainbrook)
USNM PAL201134A M. Stainbrook
United States, New Mexico
USNM:PAL
Atrypa iowensis Webster
USNM PAL84692
United States, Iowa
USNM:PAL
Atrypa independensis jamesvillensis Fenton & Fenton
USNM PAL84683
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL14019A C. King
United States, Nevada, White Pine District
USNM:PAL
Variatrypa (Radiatrypa) klukasi (Norris)
USNM PAL327522 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa missouriensis Miller
USNM PAL13848B
USNM:PAL
Atrypa callawayensis Greger
USNM PAL135194
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL135952
USNM:PAL
Atrypa nieczlawiensis Kozlowski
USNM PAL171517 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa waterlooensis Webster
USNM PAL84717
USNM:PAL
Atrypa hystrix Hall
USNM PAL177289 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Spinatrypa obsolescens Cooper & Dutro
USNM PAL200997A
United States, New Mexico
USNM:PAL
Atrypa nieczlawiensis Kozlowski
USNM PAL171516 Boucot & Murphy 1964-00-00
United States, Nevada, Eureka County
USNM:PAL
Pseudoatrypa devoniana (Webster)
USNM PAL200965 Branson, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Atrypa reticularis var. b Boucot & Johnson
USNM PAL164873 R. Shagam 1962-00-00
Venezuela
USNM:PAL
Zygospira recurvirostra (Hall)
USNM PAL87057
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL139983
USNM:PAL
Atrypa trowbridgei Fenton & Fenton
USNM PAL84673
USNM:PAL
Spinatrypa trulla decorticata (Stainbrook)
USNM PAL201159 Cooper, Dutro, E. Yochelson & Cooper
United States, New Mexico
USNM:PAL
Plectatrypa arctoimbricata Amsden
USNM PAL158216 Mesler & Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Atrypa varicostata Stainbrook
USNM PAL135285
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL629518 J. Clements 10
United States, Arizona
USNM:PAL
Pseudoatrypa percrassa (Crickmay)
USNM PAL327512 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL177292 Maryland Geological Survey
United States, Maryland, Garrett County
USNM:PAL
Spinatrypa trulla decorticata (Stainbrook)
USNM PAL200982B
United States, New Mexico
USNM:PAL
Anatrypa (Variatrypa) exoleta Johnson
USNM PAL188435 M. Murphy
United States, Nevada
USNM:PAL
Atrypa comis Owen
USNM PAL17928
USNM:PAL
Plectatrypa rugosa (Hall)
USNM PAL204204 Murphy Et Al
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL24425B R. Kennicott
Canada, Northwest Territories
USNM:PAL
Spinatrypina asymmetrica Johnson & Flory
USNM PAL180819 Flory & Wright
United States, Nevada, Elko County
USNM:PAL
Atrypa kobar Johnson
USNM PAL390137
United States, Nevada
USNM:PAL
Atrypa laticorrugata Foerste
USNM PAL84819
USNM:PAL
Iowatrypa rara Cooper & Dutro
USNM PAL203508
United States, New Mexico
USNM:PAL
Plectatrypa arctoimbricata Amsden
USNM PAL158219 Mesler & Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Spinatrypina comitata Cooper
USNM PAL327526 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL126391 A. Boucot 1948-06-20
United States, Maine, Somerset County
USNM:PAL
Atrypa Amsden
USNM PAL158735
United States, Arkansas, Independence County
USNM:PAL
Atrypa sp f Merriam
USNM PAL159480
United States, Nevada
USNM:PAL
Variatrypa (Radiatrypa) advena Johnson & Trojan
USNM PAL327506 W. Trojan 1978-00-00
United States, Nevada, Eureka County
USNM:PAL
Zygospira modesta Hall
USNM PAL97605 Butts & Oder
United States, Virginia, Roanoke County
USNM:PAL
Atrypa Amsden
USNM PAL158738 Mesler & Ulrich
United States, Arkansas, Searcy County
USNM:PAL
Atrypa reticularis (Linnaeus)
USNM PAL116595
USNM:PAL
Zygospira matutina Cooper
USNM PAL117261 C. Butts
United States, Alabama
USNM:PAL
Atrypa devoniana Webster
USNM PAL84669
USNM:PAL
Anatrypa (Variatrypa) exoleta Johnson
USNM PAL188433 M. Murphy
United States, Nevada
USNM:PAL
Atrypa waterlooensis Webster
USNM PAL84709
USNM:PAL
Atrypa iowensis Fenton & Fenton
USNM PAL84690
USNM:PAL
Anatrypa calypso Johnson
USNM PAL168868 Boucot & Gronberg 1967-00-00
United States, Nevada, Eureka County
USNM:PAL
Protatrypa malmoensis Boucot et al.
USNM PAL155070
USNM:PAL
Zygospira circularis Cooper
USNM PAL117259 Cooper & Cooper
United States, Tennessee, Cannon County
USNM:PAL
Zygospira recurvirostris (Hall)
USNM PAL111389 E. Hurlburt
United States, New York
USNM:PAL
Spinatrypa spinosa Griesemer
USNM PAL380715 L. Krombein
United States, New York, Erie County