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Legett, Shelbie (2020): δ11B of well-preserved brachiopod fossils coupled with geochemical modeling [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.911308

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2020-01-24 • DOI registered: 2021-08-25

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Abstract:
We present the δ11B of well-preserved brachiopod fossils coupled with geochemical modeling to examine how seawater boron responded to abrupt and dynamic climate changes in the Late Paleozoic. The Late Carboniferous, a time of major coal formation and glacio-eustatic sea level changes, is characterized by relatively stable brachiopod δ11B of 15-17‰, similar to values seen in modern brachiopods. Brachiopod δ11B dropped by ~5‰ in the early Permian and then re-stabilized at a new value of 10‰ within a few million years. Mass balance models of seawater δ11B reproduced the overall trends in our brachiopod data but failed to capture the large drop in δ11B in the early Permian. Published seawater 87Sr/86Sr and δ44/40Ca data based on brachiopod shells also shift to lower values in the early Permian, suggesting a common control on all three seawater isotope systems. The Permian terrestrial record of evaporites and eolian deposits suggests a prolonged reduced delivery of dissolved weathering products to the ocean, accounting for the change in seawater 87Sr/86Sr. This reduced weathering, in turn, led to increased atmospheric CO2 and lowered seawater pH, which may have significantly decreased major removal mechanisms for seawater calcium and boron leading to declines in both isotope systems. We propose that boron removal via coprecipitation in carbonates and adsorption onto clay minerals was significantly diminished due to a reduction in the availability of the borate aqueous species caused by lowered seawater pH.
Keyword(s):
boron; brachiopod; Geochemistry; Paleoclimate
Related to:
Legett, Shelbie; Rasbury, E T; Grossman, Ethan L; Hemming, N Gary; Penman, Donald E (2020): The Brachiopod δ11B Record Across the Carboniferous-Permian Climate Transition. Paleoceanography and Paleoclimatology, 35(10), https://doi.org/10.1029/2019PA003838
Other version:
δ11B of well-preserved brachiopod fossils coupled with geochemical modeling - link to Excel file
Coverage:
Median Latitude: 39.269590 * Median Longitude: -61.836962 * South-bound Latitude: 31.849000 * West-bound Longitude: -99.211000 * North-bound Latitude: 56.865000 * East-bound Longitude: 57.413330
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample IDSample IDLegett, Shelbie
2 NumberNoLegett, Shelbie
3 CollectionCollectionLegett, Shelbiecollection location
4 CodeCodeLegett, ShelbieReliable data?
5 Taxon/taxaTaxaLegett, Shelbie
6 AGEAgeka BPLegett, ShelbieGeocode
7 PeriodPeriodLegett, Shelbie
8 StageStageLegett, Shelbie
9 FormationFormationLegett, Shelbie
10 MemberMemberLegett, Shelbie
11 CountryCountryLegett, Shelbie
12 Area/localityAreaLegett, Shelbie
13 CommentCommentLegett, Shelbielocality comments
14 LATITUDELatitudeLegett, ShelbieGeocode
15 LONGITUDELongitudeLegett, ShelbieGeocode
16 δ13Cδ13C‰ PDBLegett, Shelbienot provided
17 δ18Oδ18O‰Legett, Shelbienot provided
18 δ11Bδ11B‰ SRMLegett, Shelbienot provided
19 δ11B, standard errorδ11B std e±Legett, Shelbienot provided
20 BoronBmg/kgLegett, Shelbiesee reference(s)
21 Strontium/Calcium ratioSr/Cammol/molLegett, Shelbiesee reference(s)
22 Magnesium/Calcium ratioMg/Cammol/molLegett, Shelbiesee reference(s)
23 Method commentMethod commLegett, ShelbieBoron analysis
24 Reference/sourceReferenceLegett, Shelbie
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
1773 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Sample ID		2 
No		3 
Collection		4 
Code		5 
Taxa		6 
Age [ka BP]		7 
Period		8 
Stage		9 
Formation		10 
Member		11 
Country		12 
Area		13 
Comment		14 
Latitude		15 
Longitude		16 
δ13C [‰ PDB]		17 
δ18O [‰]		18 
δ11B [‰ SRM]		19 
δ11B std e [±]		20 
B [mg/kg]		21 
Sr/Ca [mmol/mol]		22 
Mg/Ca [mmol/mol]		23 
Method comm		24 
Reference
Ru151TAMUNoLicharewia refulata269000PermianKazanianRussia3.3500.9509.83.55140.6469MC-ICPMSPopp (1986); this study
Ru15 Popp2TAMUNoLicharewia refulata269000PermianKazanianRussia3.3500.95013.10.17362298150.70MC-ICPMSPopp (1986); this study
WSP3703TAMUNoSpiriferella polaris270200PermianKazanianKapp StarostinP-3NorwaySpitsbergenPolakkfjellet7.600-4.5008.162.0925.22697.7815MC-ICPMSMii et al., 1997; this study
WSP3704TAMUNoSpiriferella polaris270200PermianKazanianKapp StarostinP-3NorwaySpitsbergenPolakkfjellet7.600-4.5008.4MC-ICPMSMii et al., 1997; this study
WSP370T5TAMUYesSpiriferella polaris270200PermianKazanianKapp StarostinP-3NorwaySpitsbergenPolakkfjellet7.600-4.50010.70.84962947635.40MC-ICPMSMii et al., 1997; this study
SS6-96-126TAMUYesStenoscisma mutabilis274200PermianKungurian, Saraninskian12m above base of exposure = 11 m below top of reefRussiaNizhneirginsk, Ural Mountains56.8650000057.413330009.350.11MC-ICPMS
TXP0017TAMUNoComposita274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch2.860-1.04012.521.24MC-ICPMS
TXP0018TAMUNoComposita274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch2.860-1.04018.40.7715398785.20MC-ICPMS
TXP0039TAMUNoComposita274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch4.630-2.61010.48.06MC-ICPMS
TXP00510TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch3.900-2.42011.48.13MC-ICPMSGrossman et al., 2008; this study
TXP00511TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch3.900-2.42011.9MC-ICPMSGrossman et al., 2008; this study
TXP00512TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch3.900-2.42010.90.80292676443.70MC-ICPMS
TXP00613TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch4.120-3.16012.2MC-ICPMS
TXP007A14TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch4.250-2.35011.5MC-ICPMS
TXP007B15TAMUNoNeospirifer274300PermianKungurianCathedral MtnUSATexasIron Mountain Ranch4.250-2.35011.9MC-ICPMS
RST2716TAMUYesKalitvella sokolovi293600PermianSakmarian, TastubianEkat# 5064BRussiaSterlitamakYuraktau or Shaktau bioherm53.7400000056.100000005.050-2.11011.11.09659163434.10MC-ICPMSGrossman et al., 2008; this study
RST27C17TAMUNoKalitvella sokolovi293600PermianSakmarian, TastubianEkat# 5064BRussiaSterlitamakYuraktau or Shaktau bioherm53.7400000056.100000005.050-2.11017.56.54MC-ICPMSGrossman et al., 2008; this study
RST27T18TAMUYesKalitvella sokolovi293600PermianSakmarian, TastubianEkat# 5064BRussiaSterlitamakYuraktau or Shaktau bioherm53.7400000056.100000005.050-2.11010.64.12MC-ICPMSGrossman et al., 2008; this study
RST2919TAMUYesKalitvella sokolovi293600PermianSakmarian, TastubianEkat# 5064BRussiaYurak Tau BiohermSterlitamak area53.7400000056.100000005.470-2.32011.90.83887399240.900.77290.3047MC-ICPMSGrossman et al., 2008; this study
TXP05320TAMUYesComposita subtilita295500PermianAsselianMoranWatts Creek ShUSATexasNW of Cisco (Loc.2350)5.380-3.89017.48.45MC-ICPMS
TXP07421TAMUYesSquamaria moorei295900PermianKungurianTalpaUSATexasNovice town1.900-2.52015.72.19972125398.30MC-ICPMS
TXP07422TAMUNoSquamaria moorei295900PermianKungurianTalpaUSATexasNovice town1.900-2.52012.4148.68MC-ICPMS
TXP07423TAMUYesSquamaria moorei295900PermianKungurianTalpaUSATexasNovice town1.900-2.52017.0MC-ICPMS
RAK1524TAMUYesDictyclostus latus296200PermianAsselian, KholodnolozhianEkat# 5068RussiaTratau biohermsSterlitamak area53.5533300056.098330003.800-1.41016.662.000.36761.6586MC-ICPMSGrossman et al., 2008; this study
TXP01225TAMUNoComposita296350PermianAsselianMoran Fm.Camp Colorado Ls.USATexasWesly, near Cisco (Loc.160)5.600-3.37020.10.1836263186.80MC-ICPMS
22898726YPMYesNeospirifer texanus297200PermianAsselianGrenolaNevaUSAOklahomaNowata18.31.95561.4195NTIMSthis study
TXP02027TAMUNoNeospirifer dunbari297400PermianAsselianPuebloStockwether LsUSATexasS of Santa Anna2.387-3.57515.430.94MC-ICPMSGrossman et al., 2008; this study
TXP02028TAMUYesNeospirifer dunbari297400PermianAsselianPuebloStockwether LsUSATexasS of Santa Anna2.387-3.57518.90.87748921426.50MC-ICPMSGrossman et al., 2008; this study
21743429YPMNoNeospirifer cameratus297480PermianAsselianRoca ShUSANebraskaUnadilla/Syracuse17.10.67334333933.100.372617.1588MC-ICPMSthis study
21743430YPMYesNeospirifer cameratus297480PermianAsselianRoca ShUSANebraskaUnadilla/Syracuse16.40.800000000MC-ICPMSthis study
21743431YPMYesNeospirifer cameratus297480PermianAsselianRoca ShUSANebraskaUnadilla/Syracuse15.6NTIMSthis study
217434-232YPMYesNeospirifer cameratus297480PermianAsselianRoca ShUSANebraskaUnadilla/Syracuse14.40.7000000000.370517.0853MC-ICPMSthis study
22894433YPMNoNeospirifer kansasensis299090CarboniferousGzhelianJohnson ShUSAKansasCedar Vale20.52.84457010623.70MC-ICPMSthis study
22347434YPMNoNeospirifer cameratus299250CarboniferousGzhelianForaker LsAmericus LsUSANebraskaSyracuse16.60.25609083133.40MC-ICPMSthis study
22347435YPMYesNeospirifer cameratus299250CarboniferousGzhelianForaker LsAmericus LsUSANebraskaSyracuse16.30.4331484100.354915.4756MC-ICPMSthis study
22347436YPMYesNeospirifer cameratus299250CarboniferousGzhelianForaker LsAmericus LsUSANebraskaSyracuse16.2NTIMSthis study
22895237YPMYesNeospirifer kansasensis299250CarboniferousGzhelianForaker LsAmericus LsUSAKansasElmdale14.40.8000000000.372725.9950MC-ICPMSthis study
22895438YPMYesNeospirifer kansasensis299250CarboniferousGzhelianForaker LsAmericus LsUSAKansasElmdale15.90.200000000MC-ICPMSthis study
223474-239YPMNoNeospirifer cameratus299250CarboniferousGzhelianForaker LsAmericus LsUSANebraskaSyracuse14.00.300000000MC-ICPMSthis study
223474-240YPMYesNeospirifer cameratus299250CarboniferousGzhelianForaker LsAmericus LsUSANebraskaSyracuse16.01.2835669990.398930.0774MC-ICPMSthis study
22894241YPMYesNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse15.10.4069683861.62211.3543MC-ICPMSthis study
22894242YPMYesNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse15.7NTIMSthis study
22894743YPMNoNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse8.60.52010511126.30MC-ICPMSthis study
22894944YPMYesNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse14.50.427196693MC-ICPMSthis study
22894945YPMNoNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse13.00.85384734840.10MC-ICPMSthis study
22894946YPMNoNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse13.60.93695201640.10MC-ICPMSthis study
228942-247YPMYesNeospirifer kansasensis299320CarboniferousGzhelianJanesville ShHamlinUSANebraskaSyracuse16.90.4000000001.57361.2635MC-ICPMSthis study
22895848YPMYesNeospirifer kansasensis299350CarboniferousGzhelianElmdaleHughes Creek ShUSANebraskaBennet15.21.1526393930.383513.8940MC-ICPMSthis study
22896049YPMNoNeospirifer kansasensis299350CarboniferousGzhelianElmdaleHughes Creek ShUSANebraskaBennet12.90.59977546036.101.79905.7447MC-ICPMSthis study
22896150YPMNoNeospirifer kansasensis299350CarboniferousGzhelianElmdaleHughes Creek ShUSANebraskaBennet22.51.28618660916.700.355212.2244MC-ICPMSthis study
22896151YPMYesNeospirifer kansasensis299350CarboniferousGzhelianElmdaleHughes Creek ShUSANebraskaBennet14.60.438869470MC-ICPMSthis study
TXP03752TAMUYesComposita subtilita299400CarboniferousGzhelianHarpersvilleSaddlecreek LsUSATexasLake Cisco, N of Cisco4.680-3.06514.00.00000000035.63MC-ICPMSGrossman et al., 2008; this study
TXP00953TAMUYesComposita300000CarboniferousGzhelianHarpersvilleShale just below ls #5USATexasWW quarry, Grosvenor31.84900000-99.211000002.629-3.13916.70.00000000021.55MC-ICPMSGrossman et al., 2008; this study
TXP01554TAMUNoNeospirifer300000CarboniferousGzhelianHarpersvilleUSATexasWW quarry, Grosvenor31.84900000-99.211000003.993-3.33418.024.49MC-ICPMSthis study
TXP01555TAMUNoNeospirifer300000CarboniferousGzhelianHarpersvilleUSATexasWW quarry, Grosvenor31.84900000-99.211000003.993-3.33417.81.43184931422.90MC-ICPMSthis study
TXP01656TAMUNoNeospirifer300000CarboniferousGzhelianHarpersvilleUSATexasWW quarry, Grosvenor31.84900000-99.211000004.800-3.14115.920.25MC-ICPMSthis study
TXP01757TAMUYesNeospirifer300000CarboniferousGzhelianHarpersvilleUSATexasWW quarry, Grosvenor31.84900000-99.211000002.027-3.65716.46.99MC-ICPMSthis study
22876758YPMNoNeospirifer triplicatus300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasHolton18.20.68922206716.60MC-ICPMSthis study
22896459YPMNoNeospirifer kansasensis300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasMaple Hill24.02.78803255725.90MC-ICPMSthis study
228768h60YPMYesNeospirifer triplicatus300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasHolton16.30.2469087231.80571.5107MC-ICPMSthis study
228768h61YPMYesNeospirifer triplicatus300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasHolton16.00.284483301MC-ICPMSthis study
228768s62YPMYesNeospirifer triplicatus300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasHolton15.70.7906563261.82861.9832MC-ICPMSthis study
228768s63YPMYesNeospirifer triplicatus300500CarboniferousGzhelianWood SidingBrownville LsUSAKansasHolton14.60.421168904MC-ICPMSthis study
22976264YPMYesNeospirifer dunbari302330CarboniferousGzhelianTopeka LsCoal Creek LsUSANebraskaDu Bois16.81.9828561242.10341.4121MC-ICPMSthis study
Nec 6-1265TAMUNoComposita303120CarboniferousGzhelianNecessity CycleUSATexas31.86166667-99.0533333312.00.41737313148.90MC-ICPMSGrossman et al., 1991; this study
Nec 6-266TAMUNoComposita303120CarboniferousGzhelianNecessity CycleUSATexas31.86166667-99.0533333312.30.67800772544.20MC-ICPMSGrossman et al., 1991; this study
22981967YPMYesNeospirifer dunbari303470CarboniferousGzhelianLecompton LsBeil LsUSAMissouriForbes16.31.1246415771.90161.5474MC-ICPMSthis study
22933268YPMYesDerbya crassa texana303700CarboniferousGzhelianGrahamUSATexas3.5 miles W of La Casa17.00.475804857MC-ICPMSthis study
Finis 3769TAMUNoCrurithyris303700CarboniferousGzhelianFinis ShUSATexas34.24000000-94.1400000013.41.46439339097.005.3702200.1330MC-ICPMSGrossman et al., 1991; this study
Finis 5670TAMUNoCrurithyris303700CarboniferousGzhelianFinis ShUSATexas34.24000000-94.1400000016.71.40093983933.90777.6004443.8622MC-ICPMSGrossman et al., 1991; this study
22902571YPMNoNeospirifer dunbari303870CarboniferousKasimovianKanwaka ShUSANebraskaNehawka14.40.43752363842.60MC-ICPMSthis study
22902572YPMYesNeospirifer dunbari303870CarboniferousKasimovianKanwaka ShUSANebraskaNehawka14.30.8016174132.02391.5677MC-ICPMSthis study
K042C73TAMUYesNeospirifer dunbari304170CarboniferousKasimovianStantonCaptain Creek LsUSAKansasDeSoto3.200-1.70015.20.43380034418.203.66631.7346MC-ICPMSMii and Grossman, 1994; this study
K18678TAMUNoNeospirifer dunbari304170CarboniferousKasimovianStantonUSAKansas38.96166667-94.958333333.320-1.96517.30.65789659113.10MC-ICPMSGrossman et al., 1993; this study
22989574YPMNoNeospirifer dunbari304390CarboniferousKasimovianOread LsPlattsmouthUSAKansasMelvern16.81.39886869534.60MC-ICPMSthis study
22989575YPMYesNeospirifer dunbari304390CarboniferousKasimovianOread LsPlattsmouthUSAKansasMelvern16.20.642677645MC-ICPMSthis study
K01676TAMUNoNeospirifer dunbari304460CarboniferousKasimovianOread LsUSAKansas38.42333333-95.576666673.600-1.86016.50.60678745919.90MC-ICPMSGrossman et al., 1993; this study
K02777TAMUNoNeospirifer dunbari304460CarboniferousKasimovianWyandotteUSAKansasnorthern Johnson County39.04166667-94.805000003.700-1.67017.70.61546746519.1010.46925.5840MC-ICPMSGrossman et al., 1993; this study
22990379YPMYesNeospirifer dunbari304640CarboniferousKasimovianLawrenceUSANebraskaPlattsmouth15.40.6322843541.62361.1729MC-ICPMSthis study
22990380YPMNoNeospirifer dunbari304640CarboniferousKasimovianLawrenceUSANebraskaPlattsmouth19.92.43981861222.10MC-ICPMSthis study
22990381YPMYesNeospirifer dunbari304640CarboniferousKasimovianLawrenceUSANebraskaPlattsmouth14.90.665252967MC-ICPMSthis study
22983282YPMNoNeospirifer dunbari305170CarboniferousKasimovianIolaUSAMissouriKansas City18.51.11962449633.40MC-ICPMSthis study
22988483YPMYesNeospirifer dunbari305350CarboniferousKasimovianStrangerIatan LsUSANebraskaNehawka14.30.411670084MC-ICPMSthis study
22981484YPMYesNeospirifer dunbari305500CarboniferousKasimovianStantonSouth Bend LsUSANebraskaLouisville14.70.112981514MC-ICPMSthis study
22981585YPMNoNeospirifer dunbari305500CarboniferousKasimovianStantonSouth Bend LsUSANebraskaLouisville20.10.47583787425.20MC-ICPMSthis study
31934186YPMYesNeospirifer cameratus307000CarboniferousKasimovianStrawnUSATexasStrawn13.6NTIMSthis study
22996487YPMYesNeospirifer sp.307380CarboniferousMoscovianWetumka ShUSAOklahomaAda14.50.668378462MC-ICPMSthis study
22996488YPMNoNeospirifer sp.307380CarboniferousMoscovianWetumka ShUSAOklahomaAda16.0NTIMSthis study
50229289YPMNoNeospirifer cameratus307380CarboniferousMoscovianMcAlesterUSAOklahomaAda19.30.84793836520.90MC-ICPMSthis study
50229290YPMYesNeospirifer cameratus307380CarboniferousMoscovianMcAlesterUSAOklahomaAda14.10.662530782MC-ICPMSthis study
50229291YPMNoNeospirifer cameratus307380CarboniferousMoscovianMcAlesterUSAOklahomaAda15.2NTIMSthis study
Y8692TAMUNoComposita307400CarboniferousMoscovianUpper Fort Scott CycleUSAIowaLogan, IA; ICC Logan core 209.3-209.741.64200000-95.787000003.710-1.80015.59.244.23211.3005MC-ICPMSMii et al., 1999; this study
Y8693TAMUYesComposita307400CarboniferousMoscovianUpper Fort Scott CycleUSAIowaLogan, IA; ICC Logan core 209.3-209.741.64200000-95.787000003.710-1.80020.40.97859833213.30MC-ICPMSMii et al., 1999; this study
Ru18194TAMUNoChoristites sp.307700CarboniferousMoscovianMyachkovskianM-6RussiaMiddle UralsChussovaya section (UM)6.650-3.43014.91.16MC-ICPMSMii et al., 2001; this study
TXD00295TAMUYesNeospirifer cameratus308300CarboniferousMoscovianUpper Grindstone CreekUSATexasJunction of Rt 4 and I-20, W of Weahterford, TX32.57000000-98.196666674.400-2.68015.10.76242337427.201.19201.3681MC-ICPMSMii et al., 1999; this study
TXD00296TAMUNoNeospirifer cameratus308300CarboniferousMoscovianUpper Grindstone CreekUSATexasJunction of Rt 4 and I-20, W of Weahterford, TX32.57000000-98.196666674.400-2.68014.214.69MC-ICPMSMii et al., 1999; this study
TXD00197TAMUNoNeospirifer cameratus308800CarboniferousMoscovianUpper Grindstone CreekUSATexasJunction of Rt 4 and I-20, W of Weahterford, TX32.57000000-98.196666674.240-2.96014.236.73MC-ICPMSMii et al., 1999; this study
TXD03498TAMUNoNeospirifer cameratus311100CarboniferousMoscovianDickersonUSATexasDickerson beds, Martin Ranch, southwest of Dennis Bridge, Texas32.56000000-97.970000003.040-1.45015.813.150.95190.6768MC-ICPMSMii et al., 1999; this study
Y8199TAMUNoComposita311100CarboniferousMoscovianPawnee CycleUSAIowaLogan, IA; ILC Logan core 168.9-171.841.64200000-95.787000003.980-2.10016.42.68MC-ICPMSMii et al., 1999; this study
TXD033100TAMUNoNeospirifer cameratus312800CarboniferousMoscovianDickersonUSATexasDickerson beds, Martin Ranch, SW of Dennis Bridge, TX32.56000000-97.970000002.740-1.41015.40.87845025427.904.09152.5815MC-ICPMSMii et al., 1999; this study
229932101YPMYesAnthracospirifer occiduus314000CarboniferousMoscovianMorrowUSAOklahomaFort Gibson16.91.072402915MC-ICPMSthis study
229932102YPMYesAnthracospirifer occiduus314000CarboniferousMoscovianMorrowUSAOklahomaFort Gibson14.9NTIMSthis study
880103TAMUNoAnthracospirifer increbescens319500CarboniferousBashkirianKincaidmiddle of Cave Hill memberUSAIllinoisPope County, S. Eddyville, Eddyville quarry, in Forrest Service tract, east edge of SE 1/4 of Sec. 7, T.12S., R.6E., Waltersburg quad, 1 mile S of Eddyville2.740-4.0456.91.06MC-ICPMSthis study
846104TAMUNoComposita subquadratica320200CarboniferousBashkirianFayettevilleupper Part of FayettevilleUSAOklahomaMayes County, E. of Adair, Armstrong Branch, beside A. branch Tribut. of Rock Creek, NW 1/4 of SE 1/4 of Sec. 31, T.23N, R.20E, Loc 16 of Gordon et al., 19932.050-0.61011.523.80MC-ICPMSthis study
847105TAMUYesComposita subquadratica320200CarboniferousBashkirianFayettevilleupper Part of FayettevilleUSAOklahomaMayes County, E. of Adair, Armstrong Branch, beside A. branch Tribut. of Rock Creek, NW 1/4 of SE 1/4 of Sec. 31, T.23N, R.20E, Loc 16 of Gordon et al., 19932.020-0.76014.320.08MC-ICPMSthis study