USNM:PAL
Obolus pheres Walcott
USNM PAL51589C
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281914 C. Walcott
Canada, British Columbia
USNM:PAL
Lingulella paliformis Hall
USNM PAL174404 Maryland Geological Survey
United States, Maryland, Allegany County
USNM:PAL
Dicellomus appalachia Walcott
USNM PAL51926B
USNM:PAL
Lingulella moosensis Walcott
USNM PAL58345 J. Allen
Canada, British Columbia
USNM:PAL
Obolus maesche Lochman
USNM PAL203631
United States, Missouri, Ste. Genevieve County
USNM:PAL
Obolus (Westonia) stoneanus (Whitfield)
USNM PAL51727H C. Schuchert 1893-00-00
United States, Wisconsin, Sauk County
USNM:PAL
Lingulella welleri (Walcott)
USNM PAL35292B
USNM:PAL
Obolus (Lingulella) bicensis Walcott
USNM PAL35259C C. Walcott
Canada, Quebec
USNM:PAL
Obolus (Lingulella) rotundatus Walcott
USNM PAL27338C A. Peale
United States, Montana, Gallatin County
USNM:PAL
Obolus (Lingulella) dubius Walcott
USNM PAL27314A C. Walcott
United States, Nevada, Lincoln County
USNM:PAL
Dicellomus amblia Bell
USNM PAL127195
USNM:PAL
Lingulella fuchsi Redlich
USNM PAL51746C
USNM:PAL
Dicellomus prolificus Walcott
USNM PAL51925B Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Obolus (Lingulella) rogersi Walcott
USNM PAL27336F C. Walcott
United States, Rhode Island, Newport County
USNM:PAL
Glossella liumbona Cooper
USNM PAL116785B Loeblich Et Al
United States, Oklahoma, Carter County
USNM:PAL
Obolus parvus Walcott
USNM PAL51400A
USNM:PAL
Lingulella nerva Walcott
USNM PAL69667
USNM:PAL
Lingulella longa Howell
USNM PAL532056 B. Howell, C. Howell & B. Howell-Jr.
United States, Vermont, Franklin County
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281750 C. Walcott
Canada, British Columbia
USNM:PAL
Dicellomus parvus Walcott
USNM PAL52523C Blackwelder & Willis
China, Shantung
USNM:PAL
Dicellomus nanus (Meek & Hayden)
USNM PAL35209
United States, Wyoming
USNM:PAL
Lingulella granvillensis Walcott
USNM PAL17440B
USNM:PAL
Obolus (Lingulella) mosia osceola Walcott
USNM PAL27327D L. Wooster 1883-00-00
United States, Wisconsin, Polk County
USNM:PAL
Lingulella sp 1 Cooper
USNM PAL116769A G. Cooper
United States, Nevada
USNM:PAL
Lingulella bella (Walcott)
USNM PAL27308L
USNM:PAL
Obolus (Westonia) finlandensis Walcott
USNM PAL35296B
USNM:PAL
Obolus (Westonia) dartoni Walcott
USNM PAL51683B
USNM:PAL
Lingulella winona convexa (Walcott)
USNM PAL35235B
USNM:PAL
Obolus mickwitzi Walcott
USNM PAL27299G
USNM:PAL
Lingulella sp 5 Cooper
USNM PAL109307A R. Mesler
United States, Tennessee, Blount County
USNM:PAL
Westonia multicostata Resser & Endo
USNM PAL86661B R. Endo
China, Manchoukuo Prov
USNM:PAL
Obolus rotundatus Walcott
USNM PAL27338B
USNM:PAL
Lingulella concinna Matthew
USNM PAL51762W
USNM:PAL
Elliptoglossa sylvanica recidiva Krause & Rowell
USNM PAL250197 R. Ross-Jr. 1971-05-00
United States, Nevada, Nye County
USNM:PAL
Dicellomus nanus (Meek & Hayden)
USNM PAL51908B
USNM:PAL
Obolus (Lingulella) bellus Walcott
USNM PAL27308A C. Walcott
Canada, Newfoundland
USNM:PAL
Westonia ollius (Walcott)
USNM PAL69815
USNM:PAL
Obolus tetonensis Walcott
USNM PAL35220A C. Walcott
United States, Wyoming, Uinta County
USNM:PAL
Lingulella allani Walcott
USNM PAL58349 J. Allen
Canada, British Columbia
USNM:PAL
Obolus (Westonia) wasatchensis Walcott
USNM PAL57098B Burling
United States, Utah, Box Elder County
USNM:PAL
Lingulella allani Walcott
USNM PAL58347
USNM:PAL
Lingulella caelata (Hall)
USNM PAL15325 U.S. Geological Survey
United States, New York, Rensselaer County
USNM:PAL
Obolus major Matthew
USNM PAL51462
USNM:PAL
Dicellomus politus (Hall)
USNM PAL51917A C. Schuchert 1893-00-00
United States, Wisconsin, St. Croix County
USNM:PAL
Lingulella similis (Walcott)
USNM PAL27339A
USNM:PAL
Obolus (Lingulella) willisi Walcott
USNM PAL27343G C. Curtice
United States, Tennessee, Knox County
USNM:PAL
Lingulella ella (Hall & Whitfield)
USNM PAL15319C
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281792 C. Walcott
Canada, British Columbia
USNM:PAL
Obolus rogersvillensis Resser
USNM PAL51558A
USNM:PAL
Lingulella buttsi Walcott
USNM PAL51779A
USNM:PAL
Dicellomus walcotti Lochman
USNM PAL203640
United States, Missouri, Ste. Genevieve County
USNM:PAL
Spinilingula prisca Holmer et al.
USNM PAL526094
United States, Utah, Millard County
USNM:PAL
Dicellomus politus (Hall)
USNM PAL51924B
USNM:PAL
Lingulella (Lingulepis) exigua (Matthew)
USNM PAL52468D S. Loper 1901-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Westonia ollia (Walcott)
USNM PAL511990 B. Howell 1938-00-00
United States, New Jersey
USNM:PAL
Obolus matinalis (Hall)
USNM PAL52419
USNM:PAL
Lingulella ella (Hall & Whitfield)
USNM PAL15319B
USNM:PAL
Obolus schmalenseei Walcott
USNM PAL35291C
USNM:PAL
Obolus (Lingulella) upis Walcott
USNM PAL51804B Ulrich, Beede & J. Taff
United States, Texas, San Saba County
USNM:PAL
Lingulella bella (Walcott)
USNM PAL27308K
USNM:PAL
Lingulella (Lingulepis) acuminata (Conrad)
USNM PAL52469A Walcott & Curtice 1883-00-00
United States, New York, Saratoga County
USNM:PAL
Obolus (Lingulella) rogersi Walcott
USNM PAL27336B C. Walcott
United States, Rhode Island, Newport County
USNM:PAL
Lingulella (Lingulepis) acuminata (Conrad)
USNM PAL51878B Walcott & Curtice 1883-00-00
United States, New York, Saratoga County
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281920 C. Walcott
Canada, British Columbia
USNM:PAL
Lingulella similis (Walcott)
USNM PAL27339B
USNM:PAL
Lingulella welleri (Walcott)
USNM PAL511968 B. Howell 1942-00-00
United States, New Jersey
USNM:PAL
Lingulepis pinnaformis (Owen)
USNM PAL517068 G. Van Ingen 1906-00-00
United States, Pennsylvania, Bucks County
USNM:PAL
Obolus mollisonensis Walcott
USNM PAL58351 J. Allen
Canada, British Columbia
USNM:PAL
Obolus (Westonia) euglyphus Walcott
USNM PAL57023B
USNM:PAL
Obolus pheres Walcott
USNM PAL51589B
United States, Wisconsin
USNM:PAL
Lingulella concinna Matthew
USNM PAL51762Y
USNM:PAL
Obolus (Lingulella) similis Walcott
USNM PAL27339A C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Glossella livida Krause & Rowell
USNM PAL250196 R. Ross-Jr. 1971-05-00
United States, Nevada, Nye County
USNM:PAL
Lingulella nechos Walcott
USNM PAL140778
USNM:PAL
Dicellomus globosus Edwards
USNM PAL81758
USNM:PAL
Obolus wortheni Walcott
USNM PAL51638D
USNM:PAL
Lingulella triparilis (Matthew)
USNM PAL57013B S. Loper 1903-00-00
Canada, Nova Scotia, Cape Breton
USNM:PAL
Lingulella (Lingulepis)
USNM PAL356643 C. Walcott
Canada, British Columbia
USNM:PAL
Spinilingula intralamellata Cooper
USNM PAL116784C G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Schizotreta willardi Cooper
USNM PAL109697G G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Schizotreta corrugata Cooper
USNM PAL116808D G. Cooper
United States, Alabama, Bibb County
USNM:PAL
Lingulella waptaensis Walcott
USNM PAL281707 C. Walcott
Canada, British Columbia
USNM:PAL
Lingulella hayesi (Walcott)
USNM PAL27319K
USNM:PAL
Elliptoglossa sylvanica Cooper
USNM PAL109388D Ulrich & Taft
United States, Oklahoma, Murray County
USNM:PAL
Obolus (Lingulella) euglyphus Walcott
USNM PAL57023A
United States, Arizona
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281883 C. Walcott
Canada, British Columbia
USNM:PAL
Obolus (Lingulella) desideratus Walcott
USNM PAL33867B
United States, Wyoming
USNM:PAL
Schizotreta microthyris Cooper
USNM PAL109640 G. Cooper
United States, Virginia
USNM:PAL
Lingulella granvillensis Walcott
USNM PAL126765A E. Prindle
United States, New York
USNM:PAL
Obolus (Lingulella) similis Walcott
USNM PAL27339E C. Walcott
United States, South Dakota, Lawrence County
USNM:PAL
Dicellomus prolificus Walcott
USNM PAL51925C Walcott, Weeks & Burling
United States, Utah, Millard County
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281952 C. Walcott
Canada, British Columbia
USNM:PAL
Westonia houtiensis Kobayashi
USNM PAL86684 R. Endo
China, Manchoukuo Prov
USNM:PAL
Obolus sp 5 Cooper
USNM PAL116772 G. Cooper
United States, Virginia
USNM:PAL
Lingulella helena (Walcott)
USNM PAL62546
United States, Montana, Lewis And Clark County
USNM:PAL
Lingulella (Lingulepis)
USNM PAL281804 C. Walcott
Canada, British Columbia
USNM:PAL
Obolus (Westonia) mollisonensis Walcott
USNM PAL140656B Shell Development Co.
United States, Montana, Mccone County
USNM:PAL
Lingulella prima Conrad
USNM PAL27435B Walcott & Curtice 1883-00-00
United States, New York, Essex County
USNM:PAL
Obolus apollinis Eichwald
USNM PAL51524E G. Schmalensee 1900-00-00
Russia