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Floyd County, Iowa, USA i
Regional Level Types
Floyd County County
Iowa State
USA Country

Regional Level Types
Floyd County	County
Iowa	State
USA	Country

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Aerial view of the Rockford clay quarrying area, in 1938.

Rockford Pit, Floyd County, Iowa, USA

Homalophyllum sp.

Rockford Pit, Floyd County, Iowa, USA

Schizophoria iowensis

Rockford Pit, Floyd County, Iowa, USA

Aerial view of the Rockford clay quarrying area, in 1938.

Rockford Pit, Floyd County, Iowa, USA

Homalophyllum sp.

Rockford Pit, Floyd County, Iowa, USA

Schizophoria iowensis

Rockford Pit, Floyd County, Iowa, USA

Aerial view of the Rockford clay quarrying area, in 1938.

Rockford Pit, Floyd County, Iowa, USA

Homalophyllum sp.

Rockford Pit, Floyd County, Iowa, USA

Neighbouring regions:

Mitchell County, Iowa, USA

Howard County, Iowa, USA

Butler County, Iowa, USA

Franklin County, Iowa, USA

Chickasaw County, Iowa, USA

Cerro Gordo County, Iowa, USA

Bremer County, Iowa, USA

Type:

County

Largest Settlements:

Place	Population
Charles City	7,455 (2017)
Nora Springs	1,389 (2017)
Rockford	844 (2017)
Rudd	361 (2017)
Floyd	328 (2017)
Marble Rock	301 (2017)

Mindat Locality ID:

44619

Long-form identifier:

mindat:1:2:44619:9

GUID (UUID V4):

Other Languages:

View 34 more...

French:

comté de Floyd, Iowa, États-Unis

German:

Floyd County, Iowa, Vereinigte Staaten

Italian:

contea di Floyd, Iowa, Stati Uniti d'America

Russian:

Флойд, Айова, Соединённые Штаты Америки

Simplified Chinese:

弗洛伊德縣 , 艾奥瓦州, 美国

Spanish:

Condado de Floyd, Iowa, Estados Unidos

Albanian:

Floyd County, Iowa, Shtetet e Bashkuara të Amerikës

Arabic:

مقاطعة فلويد, آيوا, الولايات المتحدة

Armenian:

Ֆլոյդ շրջան, Այովա, Ամերիկայի Միացյալ Նահանգներ

Basque:

Floyd konderria , Iowa

Bavarian:

Floyd County, Iowa, Vaoanigte Stootn

Bishnupriya Manipuri:

ফ্লয়েড কাউন্টি, আইৱা, তিলপারাষ্ট্র

Bulgarian:

Флойд, Айова, Съединени американски щати

Cebuano:

Floyd County , Iowa

Dutch:

Floyd County, Iowa, Verenigde Staten

Esperanto:

Kantono Floyd, Iovao

Farsi/Persian:

شهرستان فلوید، آیووا, آیووا, ایالات متحده آمریکا

Georgian:

ფლოიდის ოლქი, აიოვა, ამერიკის შეერთებული შტატები

Hebrew:

מחוז פלויד, איווה, ארצות הברית

Hungarian:

Floyd megye, Iowa, Amerikai Egyesült Államok

Japanese:

フロイド郡, アイオワ州, アメリカ合衆国

Low Saxon/Low German:

Floyd County, Iowa, USA

Min Dong Chinese:

Floyd Gông, Iowa

Minnan / Hokkien-Taiwanese:

Floyd Kūn

Norwegian:

Floyd County, Iowa, USA

Polish:

Hrabstwo Floyd, Iowa, Stany Zjednoczone

Portuguese:

Condado de Floyd, Iowa, Estados Unidos

Romanian:

Comitatul Floyd, Iowa, Statele Unite ale Americii

Sardinian:

contea de Floyd, Iowa, Istados Unidos de Amèrica

Scottish Gaelic:

Floyd County, Iowa, Na Stàitean Aonaichte

Serbian:

Округ Флојд , Ајова, Сједињене Америчке Државе

Serbo-Croatian:

Floyd County, Iowa, Sjedinjene Američke Države

Swedish:

Floyd County, Iowa, USA

Traditional Chinese:

弗洛伊德縣, 埃奧華州, 美國

Turkish:

Floyd, Iowa, Amerika Birleşik Devletleri

Ukrainian:

Флойд, Айова, Сполучені Штати Америки

Urdu:

فلوئڈ کاؤنٹی، آئیووا, آئیووا, ریاستہائے متحدہ امریکا

Vietnamese:

Quận Floyd, Iowa, Chủng Quốc Hoa Kỳ

Waray:

Condado han Floyd, Iowa, Estados Unidos

Western Punjabi:

فلوؤڈ کاؤنٹی, آئیووا, 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.

ⓘ Aggregates

Mineral List

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

3 valid minerals.

Detailed Mineral List:

ⓘ Calcite

Formula: CaCO₃

Locality: Shell Rock River valley, Floyd County, Iowa, USA

References:

Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893

ⓘ Dolomite

Formula: CaMg(CO₃)₂

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Quartz

Formula: SiO₂

Locality: Little Cedar River, Floyd County, Iowa, USA

Description: Lake Superior agate

References:

Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893

ⓘ Quartz var. Agate

Formula: SiO₂

Locality: Little Cedar River, Floyd County, Iowa, USA

Description: Lake Superior agate

References:

Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893

ⓘ Quartz var. Chalcedony

Formula: SiO₂

Locality: Little Cedar River, Floyd County, Iowa, USA

Description: Lake Superior agate

References:

Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz var. Agate	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂

List of minerals for each chemical element

C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
O	Oxygen
O	ⓘ Quartz var. Agate	SiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Quartz	SiO₂
Mg	Magnesium
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Si	Silicon
Si	ⓘ Quartz var. Agate	SiO₂
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Quartz	SiO₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Dolomite	CaMg(CO₃)₂

Fossils

There are 15 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.

Occurrences

543

Youngest Fossil Listed

372 Ma (Late/Upper Devonian)

Oldest Fossil Listed

388 Ma (Middle Devonian)

Stratigraphic Units

Click here to view 13 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Stromatoporoidea class	Animalia : Porifera : Stromatoporoidea	382.7 - 372.2 Ma Late/Upper Devonian
Actinostroma genus	Animalia : Porifera : Actinostromatidae : *Actinostroma*	382.7 - 372.2 Ma Late/Upper Devonian
Amphipora genus	Animalia : Nemertea : Hoplonemertea : Monostilifera : Amphiporidae : *Amphipora*	382.7 - 372.2 Ma Late/Upper Devonian
Atelodictyon genus	Animalia : Porifera : Stromatoporoidea : Clathrodictyida : Atelodictyidae : *Atelodictyon*	382.7 - 372.2 Ma Late/Upper Devonian
Clathrocoilona genus	Animalia : Porifera : Stromatoporoidea : Stromatoporellida : Stromatoporellidae : *Clathrocoilona*	382.7 - 372.2 Ma Late/Upper Devonian
Hermatostroma genus	Animalia : Porifera : Stromatoporoidea : Stromatoporellida : Trupetostromatidae : *Hermatostroma*	382.7 - 372.2 Ma Late/Upper Devonian
Stachyodes genus	Animalia : Porifera : Stachyoditidae : *Stachyodes*	382.7 - 372.2 Ma Late/Upper Devonian
Stictostroma genus	Animalia : Porifera : Stromatoporoidea : Stromatoporellida : Stromatoporellidae : *Stictostroma*	382.7 - 372.2 Ma Late/Upper Devonian
Syringostroma genus	Animalia : Porifera : Stromatoporoidea : Syringostromatida : Syringostromatidae : *Syringostroma*	382.7 - 372.2 Ma Late/Upper Devonian
Anthozoa class	Animalia : Cnidaria : Anthozoa	382.7 - 372.2 Ma Late/Upper Devonian
Charactophyllum genus	Animalia : Cnidaria : Anthozoa : Disphyllidae : *Charactophyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Cystiphyllum genus	Animalia : Cnidaria : Anthozoa : Cystiphyllidae : *Cystiphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Disphyllum genus	Animalia : Cnidaria : Anthozoa : Phillipsastraeidae : *Disphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Heliophyllum genus	Animalia : Cnidaria : Anthozoa : Zaphrentidae : *Heliophyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Hexagonaria genus	Animalia : Cnidaria : Anthozoa : Disphyllidae : *Hexagonaria*	382.7 - 372.2 Ma Late/Upper Devonian
Iowaphyllum genus	Animalia : Cnidaria : Anthozoa : Endophyllidae : *Iowaphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Macgeea genus	Animalia : Cnidaria : Anthozoa : Phillipsastreidae : *Macgeea*	382.7 - 372.2 Ma Late/Upper Devonian
Smithiphyllum genus	Animalia : Cnidaria : Anthozoa : Endophyllidae : *Smithiphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Tabulophyllum genus	Animalia : Cnidaria : Anthozoa : Chonophyllidae : *Tabulophyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Tarphyphyllum genus	Animalia : Cnidaria : Anthozoa : Arachnophyllidae : *Tarphyphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Trapezophyllum genus	Animalia : Cnidaria : Anthozoa : Phillipsastraeidae : *Trapezophyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Straparollus genus	Animalia : Mollusca : Gastropoda : Euomphalidae : *Straparollus*	382.7 - 372.2 Ma Late/Upper Devonian
Archaeogastropoda order	Animalia : Mollusca : Gastropoda : Archaeogastropoda	382.7 - 372.2 Ma Late/Upper Devonian
Floyda genus	Animalia : Mollusca : Gastropoda : Palaeotrochidae : *Floyda*	382.7 - 372.2 Ma Late/Upper Devonian
Ptychopteria genus	Animalia : Mollusca : Bivalvia : Ostreida : Pterineidae : *Ptychopteria*	382.7 - 372.2 Ma Late/Upper Devonian
Paracyclas genus	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : *Paracyclas*	382.7 - 372.2 Ma Late/Upper Devonian
Grammysia genus	Animalia : Mollusca : Bivalvia : Grammysiidae : *Grammysia*	382.7 - 372.2 Ma Late/Upper Devonian
Bryozoa phylum	Animalia : Bryozoa	382.7 - 372.2 Ma Late/Upper Devonian
Leioclema genus	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Leioclemidae : *Leioclema*	382.7 - 372.2 Ma Late/Upper Devonian
Petalotrypa genus	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Amplexoporidae : *Petalotrypa*	382.7 - 372.2 Ma Late/Upper Devonian
Fenestella genus	Animalia : Bryozoa : Stenolaemata : Fenestrida : Fenestellidae : *Fenestella*	382.7 - 372.2 Ma Late/Upper Devonian
Lingula genus	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : *Lingula*	382.7 - 372.2 Ma Late/Upper Devonian
Petrocrania genus	Animalia : Brachiopoda : Craniata : Craniida : Craniidae : *Petrocrania*	382.7 - 372.2 Ma Late/Upper Devonian
Crania genus	Animalia : Brachiopoda : Craniata : Craniida : Craniidae : *Crania*	382.7 - 372.2 Ma Late/Upper Devonian
Aulacella genus	Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : *Aulacella*	382.7 - 372.2 Ma Late/Upper Devonian
Rhipidomella genus	Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : *Rhipidomella*	382.7 - 372.2 Ma Late/Upper Devonian
Schizophoria genus	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : *Schizophoria*	382.7 - 372.2 Ma Late/Upper Devonian
Devonoproductus genus	Animalia : Brachiopoda : Strophomenata : Productida : Monticuliferidae : *Devonoproductus*	382.7 - 372.2 Ma Late/Upper Devonian
Douvillina genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : *Douvillina*	382.7 - 372.2 Ma Late/Upper Devonian
Douvillinaria genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : *Douvillinaria*	382.7 - 372.2 Ma Late/Upper Devonian
Floweria genus	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : *Floweria*	388.1 - 372.2 Ma Devonian
Nervostrophia genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptostrophiidae : *Nervostrophia*	382.7 - 372.2 Ma Late/Upper Devonian
Praewaagenoconcha genus	Animalia : Brachiopoda : Strophomenata : Productida : Sentosiidae : *Praewaagenoconcha*	382.7 - 372.2 Ma Late/Upper Devonian
Productella genus	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : *Productella*	382.7 - 372.2 Ma Late/Upper Devonian
Retichonetes genus	Animalia : Brachiopoda : Strophomenata : Productida : Chonetidae : *Retichonetes*	382.7 - 372.2 Ma Late/Upper Devonian
Schuchertella genus	Animalia : Brachiopoda : Strophomenata : Orthotetida : Schuchertellidae : *Schuchertella*	382.7 - 372.2 Ma Late/Upper Devonian
Strophalosia genus	Animalia : Brachiopoda : Strophomenata : Productida : Strophalosiidae : *Strophalosia*	382.7 - 372.2 Ma Late/Upper Devonian
Strophonella genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophonellidae : *Strophonella*	382.7 - 372.2 Ma Late/Upper Devonian
Strophonelloides genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophonelloides*	382.7 - 372.2 Ma Late/Upper Devonian
Sulcatostrophia genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : *Sulcatostrophia*	382.7 - 372.2 Ma Late/Upper Devonian
Gypidula genus	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : *Gypidula*	382.7 - 372.2 Ma Late/Upper Devonian
Gypidulina genus	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : *Gypidulina*	387.7 - 372.2 Ma Devonian
Atribonium genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Stenoscismatidae : *Atribonium*	382.7 - 372.2 Ma Late/Upper Devonian
Calvinaria genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Leiorhynchidae : *Calvinaria*	382.7 - 372.2 Ma Late/Upper Devonian
Camarotoechia genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Camarotoechiidae : *Camarotoechia*	382.7 - 372.2 Ma Late/Upper Devonian
Coeloterorhynchus genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Pugnacidae : *Coeloterorhynchus*	382.7 - 372.2 Ma Late/Upper Devonian
Cupularostrum genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Trigonirhynchiidae : *Cupularostrum*	382.7 - 372.2 Ma Late/Upper Devonian
Leiorhynchus genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Leiorhynchidae : *Leiorhynchus*	382.7 - 372.2 Ma Late/Upper Devonian
Pugnoides genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Petasmariidae : *Pugnoides*	382.7 - 372.2 Ma Late/Upper Devonian
Adolfia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Adolfiidae : *Adolfia*	382.7 - 372.2 Ma Late/Upper Devonian
Allanella genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Adolfiidae : *Allanella*	388.1 - 372.2 Ma Devonian
Ambocoelia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Ambocoeliidae : *Ambocoelia*	382.7 - 372.2 Ma Late/Upper Devonian
Athyris genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Athyris*	388.1 - 372.2 Ma Devonian
Cyrtina genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Cyrtina*	382.7 - 372.2 Ma Late/Upper Devonian
Cyrtospirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Cyrtospiriferidae : *Cyrtospirifer*	382.7 - 372.2 Ma Late/Upper Devonian
Eleutherokomma genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : *Eleutherokomma*	387.7 - 372.2 Ma Devonian
Elita genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Elythidae : *Elita*	382.7 - 372.2 Ma Late/Upper Devonian
Indospirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Echinospiriferidae : *Indospirifer*	382.7 - 372.2 Ma Late/Upper Devonian
Platyrachella genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Subcuspidella*	382.7 - 372.2 Ma Late/Upper Devonian
Spinocyrtia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Spinocyrtia*	382.7 - 372.2 Ma Late/Upper Devonian
Spirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spiriferidae : *Spirifer*	382.7 - 372.2 Ma Late/Upper Devonian
Tenticospirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Cyrtospiriferidae : *Tenticospirifer*	382.7 - 372.2 Ma Late/Upper Devonian
Theodossia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Theodossiidae : *Theodossia*	382.7 - 372.2 Ma Late/Upper Devonian
Thomasaria genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Thomasariidae : *Thomasaria*	382.7 - 372.2 Ma Late/Upper Devonian
Tylothyris genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : *Tylothyris*	382.7 - 372.2 Ma Late/Upper Devonian
Atryparia (Costatrypa) subgenus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atryparia : *Atryparia (Costatrypa)*	382.7 - 372.2 Ma Late/Upper Devonian
Desquamatia (Independatrypa) subgenus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Desquamatia : *Desquamatia (Independatrypa)*	388.1 - 372.2 Ma Devonian
Iowatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Iowatrypa*	382.7 - 372.2 Ma Late/Upper Devonian
Pseudoatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Pseudoatrypa*	387.7 - 372.2 Ma Devonian
Spinatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Spinatrypa*	382.7 - 372.2 Ma Late/Upper Devonian
Variatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Variatrypa*	387.7 - 372.2 Ma Devonian
Cranaena genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : *Cranaena*	387.7 - 372.2 Ma Devonian
Crinoidea class	Animalia : Echinodermata : Crinoidea	382.7 - 372.2 Ma Late/Upper Devonian
Platyceras (Platyostoma) subgenus	Animalia : Mollusca : Gastropoda : Euomphalina : Platyceratidae : Platyceras : *Platyceras (Platyostoma)*	382.7 - 372.2 Ma Late/Upper Devonian
Bellerophontoidea superfamily	Animalia : Mollusca : Gastropoda : Bellerophontida : Bellerophontoidea	382.7 - 372.2 Ma Late/Upper Devonian
Animalia kingdom	Animalia	382.7 - 372.2 Ma Late/Upper Devonian
Floyda concentrica species	Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : *Floyda concentrica*	382.7 - 372.2 Ma Late/Upper Devonian
Westerna gigantea species	Animalia : Mollusca : Gastropoda : Euomphalina : Palaeotrochidae : Westerna : *Westerna gigantea*	382.7 - 372.2 Ma Late/Upper Devonian
Platyostoma antiquuis species	Animalia : Mollusca : Gastropoda : Platyceratidae : Platyostoma : *Platyostoma antiquuis*	382.7 - 372.2 Ma Late/Upper Devonian
Strophomena (Strophodonta) subgenus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophomena (Strophodonta)*	387.7 - 372.2 Ma Devonian
Pachyphyllum genus	Animalia : Cnidaria : Anthozoa : Phillipsastraeidae : *Pachyphyllum*	382.7 - 372.2 Ma Late/Upper Devonian
Hammatostroma albertense species	Animalia : Porifera : Stromatoporoidea : Clathrodictyida : Tienodictyidae : Hammatostroma : *Hammatostroma albertense*	382.7 - 372.2 Ma Late/Upper Devonian
Tarphyphyllum cylindricum species	Animalia : Cnidaria : Anthozoa : Arachnophyllidae : Tarphyphyllum : *Tarphyphyllum cylindricum*	382.7 - 372.2 Ma Late/Upper Devonian
Tabulophyllum buccinum species	Animalia : Cnidaria : Anthozoa : Chonophyllidae : Tabulophyllum : *Tabulophyllum buccinum*	382.7 - 372.2 Ma Late/Upper Devonian
Macgeea concinnula species	Animalia : Cnidaria : Anthozoa : Phillipsastreidae : Macgeea : *Macgeea concinnula*	382.7 - 372.2 Ma Late/Upper Devonian
Tabulophyllum levorsoni species	Animalia : Cnidaria : Anthozoa : Chonophyllidae : Tabulophyllum : *Tabulophyllum levorsoni*	382.7 - 372.2 Ma Late/Upper Devonian
Disphyllum conjugans species	Animalia : Cnidaria : Anthozoa : Disphyllidae : Disphyllum : *Disphyllum conjugans*	382.7 - 372.2 Ma Late/Upper Devonian
Tabulophyllum mutabile species	Animalia : Cnidaria : Anthozoa : Chonophyllidae : Tabulophyllum : *Tabulophyllum mutabile*	382.7 - 372.2 Ma Late/Upper Devonian
Tabulophyllum curtum species	Animalia : Cnidaria : Anthozoa : Chonophyllidae : Tabulophyllum : *Tabulophyllum curtum*	382.7 - 372.2 Ma Late/Upper Devonian
Disphyllum iowensis species	Animalia : Cnidaria : Anthozoa : Disphyllidae : Disphyllum : *Disphyllum iowensis*	382.7 - 372.2 Ma Late/Upper Devonian
Pachyphyllum dumonti species	Animalia : Cnidaria : Anthozoa : Phillipsastraeidae : Pachyphyllum : *Pachyphyllum dumonti*	382.7 - 372.2 Ma Late/Upper Devonian
Macgeea camplanulata species	Animalia : Cnidaria : Anthozoa : Phillipsastreidae : Macgeea : *Macgeea camplanulata*	382.7 - 372.2 Ma Late/Upper Devonian
Schizophoria (Schizophoria) iowensis species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Schizophoria) iowensis*	382.7 - 372.2 Ma Late/Upper Devonian
Schizophoria (Schizophoria) impressa species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Schizophoria) impressa*	382.7 - 372.2 Ma Late/Upper Devonian
Paracyclas dubia species	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Paracyclas : *Paracyclas dubia*	382.7 - 372.2 Ma Late/Upper Devonian
Eostrophalosia rockfordensis species	Animalia : Brachiopoda : Strophomenata : Productida : Araksalosiidae : Eostrophalosia : *Eostrophalosia rockfordensis*	382.7 - 372.2 Ma Late/Upper Devonian
Productella subaculeata species	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : Productella : *Productella subaculeata*	382.7 - 372.2 Ma Late/Upper Devonian
Productella rugatula species	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : Productella : *Productella rugatula*	382.7 - 372.2 Ma Late/Upper Devonian
Productella thomasi species	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : Productella : *Productella thomasi*	382.7 - 372.2 Ma Late/Upper Devonian
Tylothyris mesacostalis species	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : Tylothyris : *Tylothyris mesacostalis*	382.7 - 372.2 Ma Late/Upper Devonian
Floweria prava species	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : Floweria : *Floweria prava*	382.7 - 372.2 Ma Late/Upper Devonian
Schizophoria lata species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria lata*	388.1 - 383.7 Ma Middle Devonian
Stainbrookia infera species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : Stainbrookia : *Stainbrookia infera*	382.7 - 372.2 Ma Late/Upper Devonian
Strophodonta umbonata species	Animalia : Brachiopoda : Strophomenata : Strophomenida : Stropheodontidae : Strophodonta : *Strophodonta umbonata*	382.7 - 372.2 Ma Late/Upper Devonian
Nervostrophia solida species	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptostrophiidae : Nervostrophia : *Nervostrophia solida*	382.7 - 372.2 Ma Late/Upper Devonian
Douvillina arcuata species	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : Douvillina : *Douvillina arcuata*	382.7 - 372.2 Ma Late/Upper Devonian
Gypidula cornuta species	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : Gypidula : *Gypidula cornuta*	382.7 - 372.2 Ma Late/Upper Devonian
Calvinaria bransoni species	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Leiorhynchidae : Calvinaria : *Calvinaria bransoni*	382.7 - 372.2 Ma Late/Upper Devonian
Pseudoatrypa devoniana species	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Pseudoatrypa : *Pseudoatrypa devoniana*	382.7 - 372.2 Ma Late/Upper Devonian
Paracyclas elliptica species	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Paracyclas : *Paracyclas elliptica*	382.7 - 372.2 Ma Late/Upper Devonian
Strophodonta (Strophodonta) subgenus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophodonta (Strophodonta)*	388.1 - 372.2 Ma Devonian

Fossil Localities

Click to show 15 fossil localities

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Wikipedia:	https://en.wikipedia.org/wiki/Floyd_County,_Iowa
Wikidata ID:	Q486143
GeoNames ID:	4857314

Localities in this Region

USA

Iowa
- Floyd County

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North AmericaContinent

North America PlateTectonic Plate

Mid-continent DomainDomain
Mid-continent RiftNarrow Rift
Yavapai TerraneVolcanic Arc

USA

Midcontinent RiftGeologic Province

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