Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Howard County, Arkansas, USAi
Regional Level Types
Howard CountyCounty
ArkansasState
USACountry

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PhotosMapsSearch
00834900017272053849407.jpg
Calcite

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
07802360017272053843836.jpg
Celestine, etc.

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
09269240017272012648250.jpg
Gypsum

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
00834900017272053849407.jpg
Calcite

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
07802360017272053843836.jpg
Celestine, etc.

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
09269240017272012648250.jpg
Gypsum

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
06513910017272053855957.jpg
Calcite

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
07802360017272053843836.jpg
Celestine, etc.

Certain Teed Gypsum Mine, Briar, Howard County, Arkansas, USA
Neighbouring regions:
Montgomery County, Arkansas, USA
Pike County, Arkansas, USA
Sevier County, Arkansas, USA
Little River County, Arkansas, USA
Polk County, Arkansas, USA
Hempstead County, Arkansas, USA
Type:
County
Largest Settlements:
PlacePopulation
Nashville4,479 (2017)
Mineral Springs1,161 (2017)
Dierks1,092 (2017)
Tollette232 (2017)
Mindat Locality ID:
24254
Long-form identifier:
mindat:1:2:24254:8
GUID (UUID V4):
0
Other Languages:
View 30 more...
French:
Comté de Howard, Arkansas, États-Unis
German:
Howard County, Arkansas, Vereinigte Staaten
Italian:
Contea di Howard, Arkansas, Stati Uniti d'America
Russian:
Хауард, Арканзас, Соединённые Штаты Америки
Simplified Chinese:
霍華德縣, 阿肯色州, 美国
Spanish:
Condado de Howard, Arkansas, Estados Unidos
Albanian:
Howard County, Arkansas, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة هاورد, أركنساس, الولايات المتحدة
Armenian:
Հովարդի շրջան, Արկանզաս, Ամերիկայի Միացյալ Նահանգներ
Basque:
Howard konderria, Arkansas
Bavarian:
Howard County, Arkansas, Vaoanigte Stootn
Bishnupriya Manipuri:
হাৱার্ড কাউন্টি, আরকান্‌সাস, তিলপারাষ্ট্র
Bulgarian:
Хауърд, Арканзас, Съединени американски щати
Cebuano:
Howard County, Arkansas
Dutch:
Howard County, Arkansas, Verenigde Staten
Estonian:
Howardi maakond, Arkansas, Ameerika Ühendriigid
Farsi/Persian:
شهرستان هوارد، آرکانزاس, آرکانزاس, ایالات متحده آمریکا
Hungarian:
Howard megye, Arkansas, Amerikai Egyesült Államok
Irish Gaelic:
Contae Howard, Arkansas, Stáit Aontaithe Mheiriceá
Japanese:
ハワード郡, アーカンソー州, アメリカ合衆国
Latin:
Howard Comitatus, Arcansia, Civitates Foederatae Americae
Low Saxon/Low German:
Howard County, Arkansas, USA
Min Dong Chinese:
Howard Gông, Arkansas
Norwegian:
Howard County, Arkansas, USA
Polish:
Hrabstwo Howard, Arkansas, Stany Zjednoczone
Portuguese:
Condado de Howard, Arkansas, Estados Unidos
Romanian:
Comitatul Howard, Arkansas, Statele Unite ale Americii
Serbian:
Округ Хауард, Арканзас, Сједињене Америчке Државе
Serbo-Croatian:
Howard County, Arkansas, Sjedinjene Američke Države
Swedish:
Howard County, Arkansas, USA
Turkish:
Howard ilçesi, Arkansas, Amerika Birleşik Devletleri
Ukrainian:
Говард, Арканзас, Сполучені Штати Америки
Urdu:
ہووارڈ کاؤنٹی، آرکنساس, آرکنساس, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Howard, Arkansas, Chủng Quốc Hoa Kỳ
Waray:
Condado han Howard, Arkansas, Estados Unidos
Western Punjabi:
ہوورڈ کاؤنٹی، آرکنساس, آرکانساس, امریکہ


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

31 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Calomel
Formula: [Hg2]2+Cl2
ⓘ Celestine
Formula: SrSO4
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chert var. Novaculite'
ⓘ Cinnabar
Formula: HgS
ⓘ 'Clay minerals'
ⓘ Corundum
Formula: Al2O3
ⓘ Dickite
Formula: Al2(Si2O5)(OH)4
ⓘ Eglestonite
Formula: [Hg2]2+3OCl3(OH)
ⓘ Galena
Formula: PbS
ⓘ 'Glauconite'
Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Alabaster
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Satin Spar Gypsum
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Limonite'
ⓘ Livingstonite
Formula: HgSb4S6(S2)
ⓘ Marcasite
Formula: FeS2
ⓘ Metacinnabar
Formula: HgS
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Native Mercury
Formula: Hg
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stibiconite
Formula: Sb3+Sb5+2O6(OH)
ⓘ Stibnite
Formula: Sb2S3
ⓘ Strontianite
Formula: SrCO3
ⓘ Szomolnokite
Formula: FeSO4 · H2O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Mercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
ⓘMetacinnabar2.CB.05aHgS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘCinnabar2.CD.15aHgS
ⓘStibnite2.DB.05Sb2S3
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘLivingstonite2.JA.05iHgSb4S6(S2)
Group 3 - Halides
ⓘCalomel3.AA.30[Hg2]2+Cl2
ⓘEglestonite3.DD.05[Hg2]2+3OCl3(OH)
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘCorundum4.CB.05Al2O3
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘStibiconite4.DH.20Sb3+Sb5+2O6(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘStrontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘCelestine7.AD.35SrSO4
ⓘSzomolnokite7.CB.05FeSO4 · H2O
ⓘGypsum
var. Alabaster		7.CD.40CaSO4 · 2H2O
ⓘ7.CD.40CaSO4 · 2H2O
ⓘvar. Selenite7.CD.40CaSO4 · 2H2O
ⓘvar. Satin Spar Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘDickite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Clay minerals'-
ⓘ'Glauconite'-K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Limonite'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Chert
var. Novaculite'		-

List of minerals for each chemical element

HHydrogen
Hⓘ Gypsum var. AlabasterCaSO4 · 2H2O
Hⓘ DickiteAl2(Si2O5)(OH)4
Hⓘ Eglestonite[Hg2]32+OCl3(OH)
Hⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ OpalSiO2 · nH2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ StibiconiteSb3+Sb25+O6(OH)
Hⓘ SzomolnokiteFeSO4 · H2O
Hⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Hⓘ Gypsum var. Satin Spar GypsumCaSO4 · 2H2O
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
Cⓘ StrontianiteSrCO3
OOxygen
Oⓘ Gypsum var. AlabasterCaSO4 · 2H2O
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CelestineSrSO4
Oⓘ CorundumAl2O3
Oⓘ DickiteAl2(Si2O5)(OH)4
Oⓘ Eglestonite[Hg2]32+OCl3(OH)
Oⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ IlmeniteFe2+TiO3
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SideriteFeCO3
Oⓘ StibiconiteSb3+Sb25+O6(OH)
Oⓘ StrontianiteSrCO3
Oⓘ SzomolnokiteFeSO4 · H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ ZirconZr(SiO4)
Oⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Oⓘ Gypsum var. Satin Spar GypsumCaSO4 · 2H2O
NaSodium
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
AlAluminium
Alⓘ CorundumAl2O3
Alⓘ DickiteAl2(Si2O5)(OH)4
Alⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ DickiteAl2(Si2O5)(OH)4
Siⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ Monazite-(Ce)Ce(PO4)
SSulfur
Sⓘ Gypsum var. AlabasterCaSO4 · 2H2O
Sⓘ BaryteBaSO4
Sⓘ CelestineSrSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CinnabarHgS
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ LivingstoniteHgSb4S6(S2)
Sⓘ MarcasiteFeS2
Sⓘ MetacinnabarHgS
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
Sⓘ SzomolnokiteFeSO4 · H2O
Sⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Sⓘ Gypsum var. Satin Spar GypsumCaSO4 · 2H2O
ClChlorine
Clⓘ Calomel[Hg2]2+Cl2
Clⓘ Eglestonite[Hg2]32+OCl3(OH)
KPotassium
Kⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaCalcium
Caⓘ Gypsum var. AlabasterCaSO4 · 2H2O
Caⓘ CalciteCaCO3
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Caⓘ Gypsum var. Satin Spar GypsumCaSO4 · 2H2O
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ SideriteFeCO3
Feⓘ SzomolnokiteFeSO4 · H2O
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
SrStrontium
Srⓘ CelestineSrSO4
Srⓘ StrontianiteSrCO3
ZrZirconium
Zrⓘ ZirconZr(SiO4)
SbAntimony
Sbⓘ LivingstoniteHgSb4S6(S2)
Sbⓘ StibiconiteSb3+Sb25+O6(OH)
Sbⓘ StibniteSb2S3
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
HgMercury
Hgⓘ Calomel[Hg2]2+Cl2
Hgⓘ CinnabarHgS
Hgⓘ Eglestonite[Hg2]32+OCl3(OH)
Hgⓘ LivingstoniteHgSb4S6(S2)
Hgⓘ Native MercuryHg
Hgⓘ MetacinnabarHgS
PbLead
Pbⓘ GalenaPbS

Fossils

There are 9 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences67
Youngest Fossil Listed66.0 Ma (Late/Upper Cretaceous)
Oldest Fossil Listed125 Ma (Early/Lower Cretaceous)
Stratigraphic UnitsClick here to view 9 stratigraphic units.
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Eutrephoceras
genus		Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Eutrephoceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites83.5 - 70.6 Ma
Late/Upper Cretaceous
Didymoceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Didymoceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Douvilleiceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Douvilleiceratidae : Douvilleiceras112.03 - 109 Ma
Early/Lower Cretaceous
Gaudryceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Gaudryceras83.5 - 70.6 Ma
Late/Upper Cretaceous
Placenticeras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Placenticeras83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudophyllites
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Tetragonitidae : Pseudophyllites83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudosaynella
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Pseudosaynella122.46 - 112.03 Ma
Early/Lower Cretaceous
Trachyscaphites
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Trachyscaphites83.5 - 70.6 Ma
Late/Upper Cretaceous
Uhligella
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Uhligella122.46 - 112.03 Ma
Early/Lower Cretaceous
Anomia
genus		Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : Anomia112.03 - 109 Ma
Early/Lower Cretaceous
Atreta
genus		Animalia : Mollusca : Bivalvia : Pectinida : Dimyidae : Atreta83.5 - 70.6 Ma
Late/Upper Cretaceous
Inoceramus
genus		Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus83.5 - 70.6 Ma
Late/Upper Cretaceous
Spondylus
genus		Animalia : Mollusca : Bivalvia : Pectinida : Spondylidae : Spondylus83.5 - 70.6 Ma
Late/Upper Cretaceous
Corbicula
genus		Animalia : Mollusca : Bivalvia : Venerida : Cyrenidae : Corbicula112.03 - 109 Ma
Early/Lower Cretaceous
Chondrichthyes
class		Animalia : Chordata : Chondrichthyes112.03 - 109 Ma
Early/Lower Cretaceous
Pycnodus
genus		Animalia : Chordata : Actinopteri : Pycnodontiformes : Pycnodontidae : Pycnodus112.03 - 109 Ma
Early/Lower Cretaceous
Crocodylia
unranked clade		Animalia : Chordata : Reptilia : Crocodylia112.03 - 109 Ma
Early/Lower Cretaceous
Pseudofrenelopsis parceramosa
species		Plantae : Tracheophyta : Pinopsida : Pinales : Cheirolepidiaceae : Pseudofrenelopsis : Pseudofrenelopsis parceramosa125 - 100.5 Ma
Early/Lower Cretaceous
Testudines
order		Animalia : Chordata : Reptilia : Testudines112.03 - 109 Ma
Early/Lower Cretaceous
Pycnodonte
genus		Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Pycnodonte83.5 - 70.6 Ma
Late/Upper Cretaceous
Trochidae
family		Animalia : Mollusca : Gastropoda : Trochida : Trochidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Brontopodus birdi
species		Animalia : Chordata : Saurischia : Brontopodus : Brontopodus birdi112.03 - 109 Ma
Early/Lower Cretaceous
Pleurotomariidae
family		Animalia : Mollusca : Gastropoda : Pleurotomariida : Pleurotomariidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Prionochelys nauta
species		Animalia : Chordata : Reptilia : Testudines : Toxochelyidae : Prionochelys : Prionochelys nauta83.5 - 70.6 Ma
Late/Upper Cretaceous
Desmophyllites diphylloides
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Desmophyllites : Desmophyllites diphylloides83.5 - 70.6 Ma
Late/Upper Cretaceous
Nostoceras hyatti
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Nostoceras : Nostoceras hyatti83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites ovatus
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Baculitidae : Baculites : Baculites ovatus83.5 - 70.6 Ma
Late/Upper Cretaceous
Pachydiscus (Pachydiscus)
subgenus		Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Pachydiscus : Pachydiscus (Pachydiscus)83.5 - 70.6 Ma
Late/Upper Cretaceous
Nostoceras (Nostoceras)
subgenus		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Nostoceras : Nostoceras (Nostoceras)83.5 - 70.6 Ma
Late/Upper Cretaceous
Neancyloceras bipunctatum
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Diplomoceratidae : Neancyloceras : Neancyloceras bipunctatum83.5 - 70.6 Ma
Late/Upper Cretaceous
Nostoceras approximans
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Nostoceras : Nostoceras approximans83.5 - 70.6 Ma
Late/Upper Cretaceous
Nostoceras helicinus
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Nostoceras : Nostoceras helicinus83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites undatus
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites undatus83.5 - 70.6 Ma
Late/Upper Cretaceous
Hoploscaphites pumilis
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Scaphitidae : Hoploscaphites : Hoploscaphites pumilis83.5 - 70.6 Ma
Late/Upper Cretaceous
Oxybeloceras crassum
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Diplomoceratidae : Oxybeloceras : Oxybeloceras crassum83.5 - 70.6 Ma
Late/Upper Cretaceous
Didymoceras platycostatum
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Didymoceras : Didymoceras platycostatum83.5 - 70.6 Ma
Late/Upper Cretaceous
Pseudosaynella fimbriata
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Pseudosaynella : Pseudosaynella fimbriata122.46 - 112.03 Ma
Early/Lower Cretaceous
Stenocionops primus
species		Animalia : Arthropoda : Malacostraca : Decapoda : Epialtidae : Stenocionops : Stenocionops primus100.5 - 66 Ma
Late/Upper Cretaceous
Classopollis
genus		Plantae : Tracheophyta : Pinopsida : Pinales : Cheirolepidiaceae : Classopollis125 - 100.5 Ma
Early/Lower Cretaceous
Nostoceras (Nostoceras) archiacianum
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Nostoceras : Nostoceras (Nostoceras) archiacianum83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites taylorensis
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites taylorensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Didymoceras donezianum
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Didymoceras : Didymoceras donezianum83.5 - 70.6 Ma
Late/Upper Cretaceous
Cirroceras conradi
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Nostoceratidae : Cirroceras : Cirroceras conradi83.5 - 70.6 Ma
Late/Upper Cretaceous
Menuites portlocki
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Menuites : Menuites portlocki83.5 - 70.6 Ma
Late/Upper Cretaceous
Hemiaster wetherbyi
species		Animalia : Echinodermata : Echinoidea : Spatangoida : Hemiasteridae : Hemiaster : Hemiaster wetherbyi83.5 - 70.6 Ma
Late/Upper Cretaceous
Micraster americanus
species		Animalia : Echinodermata : Echinoidea : Spatangoida : Micrasteridae : Micraster : Micraster americanus83.5 - 70.6 Ma
Late/Upper Cretaceous
Fossil LocalitiesClick to show 9 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Howard_County,_Arkansas
Wikidata ID:Q61034
GeoNames ID:4115463

Localities in this Region

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USA

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North America PlateTectonic Plate

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