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Cedar Valley, USA

Group	Cedar Valley
Formation(s)	Coralville Linwood Lithograph City Little Cedar Shell Rock
Age:	388 - 372 Ma Devonian
Interval	Givetian - Frasnian
Number of Collections	14
Number of Occurrences	20

Recorded Sample Locations

Location	Region	Stratigraphic Name
Brachiopods of Gizzard Creek Mbr.	Buchanan County, Iowa, USA	Cedar Valley - Coralville - Gizzard Creek
Basal Athyris fauna	Linn County, Iowa, USA	Cedar Valley - Coralville - Gizzard Creek
Cranaena fauna	Johnson County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
Brachiopods of Lower CoralvilleFarm	Scott County, Iowa, USA	Cedar Valley - Coralville
Brachiopods of Osage Springs Mbr.	Floyd County, Iowa, USA	Cedar Valley - Lithograph City - Osage Springs
Brachiopods of Mason City Mbr.	Mitchell County, Iowa, USA	Cedar Valley - Shell Rock - Mason City
La Port City	Black Hawk County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
North Liberty	Johnson County, Iowa, USA	Cedar Valley - Lithograph City - State Quarry
Shell Rock	Butler County, Iowa, USA	Cedar Valley - Shell Rock - Nora subst.
Moscow	Iowa County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Jessup	Butler County, Iowa, USA	Cedar Valley - Little Cedar - Solon
Buffalo Quarry	Scott County, Iowa, USA	Cedar Valley - Coralville
Johnson County	Washington County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
Johnson County	Benton County, Iowa, USA	Cedar Valley - Lithograph City - Osage Springs
Iowa City	Johnson County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Brandon	Black Hawk County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Littleton	Black Hawk County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Newport	Johnson County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Butters	Muscatine County, Iowa, USA	Cedar Valley
Rock Island	Rock Island County, Illinois, USA	Cedar Valley
1.4 mi SE of Vinton	Benton County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
.25 mi of IA 283	Black Hawk County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
Solon	Johnson County, Iowa, USA	Cedar Valley - Lithograph City - State Quarry
Randalia	Fayette County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
Rockford	Mower County, Minnesota, USA	Cedar Valley - Shell Rock - Rock Grove
Fayette	Fayette County, Iowa, USA	Cedar Valley
Vinton	Tama County, Iowa, USA	Cedar Valley - Little Cedar - Solon
Shellsburg	Fayette County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Klein & Johnson Quarry	Bremer County, Iowa, USA	Cedar Valley - Coralville
Muscatine County	Muscatine County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Nora Springs	Floyd County, Iowa, USA	Cedar Valley - Shell Rock
Iowa City	Johnson County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
!.3 mi W of Middle Amana	Iowa County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
Amana	Iowa County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
Independence	Buchanan County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
Palo	Fayette County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Marble Rock	Floyd County, Iowa, USA	Cedar Valley - Shell Rock - Rock Grove
Roseville	Mitchell County, Iowa, USA	Cedar Valley - Shell Rock
Greene	Butler County, Iowa, USA	Cedar Valley - Shell Rock
Shell Rock	Butler County, Iowa, USA	Cedar Valley - Shell Rock
Rudd	Floyd County, Iowa, USA	Cedar Valley - Shell Rock - Rock Grove
Mason City?	Cerro Gordo County, Iowa, USA	Cedar Valley - Shell Rock
Charles City	Mower County, Minnesota, USA	Cedar Valley - Coralville - Cou Falls
Salt Spring Hollow	Calhoun County, Illinois, USA	Cedar Valley - Little Cedar - Rapid
Waverly	Bremer County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Independence	Buchanan County, Iowa, USA	Cedar Valley - Little Cedar - Solon
Mitchell	Mitchell County, Iowa, USA	Cedar Valley - Shell Rock - Nora subst.
Linn Junction	Buchanan County, Iowa, USA	Cedar Valley - Little Cedar
Revere	Clark County, Missouri, USA	Cedar Valley - Little Cedar - Rapid
Salt Creek	Davis County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Bassett	Mower County, Minnesota, USA	Cedar Valley
2.1 mi SE of Shellsburg	Fayette County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
I mi N of edge of Brandon	Black Hawk County, Iowa, USA	Cedar Valley - Lithograph City - Independence Shale
Waterloo	Black Hawk County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Charles City	Floyd County, Iowa, USA	Cedar Valley - Coralville - Cou Falls
Milwaukee	Sheboygan County, Wisconsin, USA	Cedar Valley - Little Cedar - Rapid
Dodge's Ravino	Scott County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Rapid Creek	Johnson County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
Linn County	Linn County, Iowa, USA	Cedar Valley
Black Hawk County	Black Hawk County, Iowa, USA	Cedar Valley
FI 1 Brachiopods C&E IA	Black Hawk County, Iowa, USA	Cedar Valley - Little Cedar
F1 LCf Om	Clinton County, Iowa, USA	Cedar Valley - Little Cedar - Rapid
I. halli-type locality	Benton County, Iowa, USA	Cedar Valley - Little Cedar - Solon or Rapid

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Cedar Valley	388 - 372 Ma Devonian		55
Coralville - Cou Falls	388 - 383 Ma Devonian		4
Lime Creek	383 - 372 Ma Late/Upper Devonian		22
Lime Creek - Cerro Gordo	383 - 372 Ma Late/Upper Devonian	shale, "shale"/"limestone"	428
Lime Creek - Cerro Gordo subst.	383 - 372 Ma Late/Upper Devonian		23
Lime Creek - Independence Shale	383 - 372 Ma Late/Upper Devonian		11
Lime Creek - Juniper Hill	383 - 372 Ma Late/Upper Devonian	shale	30
Lime Creek - Owen	383 - 372 Ma Late/Upper Devonian	limestone/"shale", "limestone"	46
Little Cedar	393 - 383 Ma Devonian		2
Little Cedar - Rapid	388 - 383 Ma Devonian	wackestone	40
Little Cedar - Solon	388 - 383 Ma Devonian		11
Milwaukee - Berthelet	388 - 383 Ma Devonian	dolomite	6
Cedar Valley - Coralville	388 - 383 Ma Devonian	grainstone, "limestone"	58
Cedar Valley - Coralville - Cou Falls	388 - 383 Ma Devonian	limestone	63
Cedar Valley - Coralville - Gizzard Creek	388 - 383 Ma Devonian	dolomite	20
Cedar Valley - Linwood	388 - 372 Ma Devonian		1
Cedar Valley - Lithograph City	388 - 372 Ma Devonian		19
Cedar Valley - Lithograph City - Andalusia	388 - 372 Ma Devonian	shale/packstone, dolomite/"reef rocks"	22
Cedar Valley - Lithograph City - Idlewild	383 - 372 Ma Late/Upper Devonian	packstone/"reef rocks"	26
Cedar Valley - Lithograph City - Idlewilde	388 - 383 Ma Devonian		2
Cedar Valley - Lithograph City - Independence Shale	383 - 372 Ma Late/Upper Devonian		21
Cedar Valley - Lithograph City - Osage Springs	388 - 383 Ma Devonian	limestone/mudstone	7
Cedar Valley - Lithograph City - State Quarry	383 - 372 Ma Late/Upper Devonian	grainstone/packstone	28
Cedar Valley - Little Cedar	388 - 383 Ma Devonian		164
Cedar Valley - Little Cedar - Rapid	388 - 383 Ma Devonian		73
Cedar Valley - Little Cedar - Solon	388 - 383 Ma Devonian		20
Cedar Valley - Little Cedar - Solon or Rapid	388 - 383 Ma Devonian		1
Cedar Valley - Shell Rock	383 - 372 Ma Late/Upper Devonian		30
Cedar Valley - Shell Rock - Mason City	383 - 372 Ma Late/Upper Devonian	limestone/grainstone	32
Cedar Valley - Shell Rock - Nora	383 - 372 Ma Late/Upper Devonian	lime mudstone/"reef rocks"	38
Cedar Valley - Shell Rock - Rock Grove	383 - 372 Ma Late/Upper Devonian	limestone/dolomite	34
Traverse - Cedar Valley - Linwood	388 - 383 Ma Devonian	limestone	1
Traverse - Cedar Valley - Littleton	388 - 383 Ma Devonian	limestone	8
Wapsipinicon - Spillville/Otis	393 - 383 Ma Devonian		23

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Cyphaspis sp. genus	6	Animalia : Arthropoda : Trilobita : Proetida : Otarionidae : *Cyphaspis*	387.7 - 382.7 Ma Devonian
Scutellum sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : *Scutellum*	387.7 - 382.7 Ma Devonian
Greenops sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Acastidae : *Greenops*	387.7 - 382.7 Ma Devonian
Eldredgeops rana species	7	Animalia : Arthropoda : Trilobita : Phacopida : Phacopidae : Eldredgeops : *Eldredgeops rana*	387.7 - 382.7 Ma Devonian
Phacops sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Phacopidae : *Phacops*	387.7 - 382.7 Ma Devonian
Crassiproetus sp. genus	6	Animalia : Arthropoda : Trilobita : Proetida : Proetidae : *Crassiproetus*	387.7 - 382.7 Ma Devonian
Dechenella sp. genus	6	Animalia : Arthropoda : Trilobita : Proetida : Proetidae : *Dechenella*	387.7 - 382.7 Ma Devonian
Petrocrania sp. genus	6	Animalia : Brachiopoda : Craniata : Craniida : Craniidae : *Petrocrania*	388.1 - 383.7 Ma Middle Devonian
Philhedra sp. genus	6	Animalia : Brachiopoda : Craniata : Craniida : Craniidae : *Philhedra*	387.7 - 382.7 Ma Devonian
Lingulodiscina sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Discinidae : *Lingulodiscina*	387.7 - 382.7 Ma Devonian
Orbiculoidea sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Discinidae : *Orbiculoidea*	387.7 - 382.7 Ma Devonian
Lingula sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : *Lingula*	383.7 - 382.4 Ma Devonian
Athyris sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Athyris*	388.1 - 383.7 Ma Middle Devonian
Charionella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : *Charionella*	387.7 - 382.7 Ma Devonian
Meristella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : *Meristella*	387.7 - 382.7 Ma Devonian
Eumetria sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Retziidae : *Eumetria*	388.1 - 383.7 Ma Middle Devonian
Desquamatia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Desquamatia*	388.1 - 383.7 Ma Middle Devonian
Desquamatia (Independatrypa) sp. subgenus	6.3	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Desquamatia : *Desquamatia (Independatrypa)*	388.1 - 383.7 Ma Middle Devonian
Desquamatia (Seratrypa) sp. subgenus	6.3	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Desquamatia (Seratrypa)*	387.7 - 382.7 Ma Devonian
Devonatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Devonatrypa*	387.7 - 382.7 Ma Devonian
Pseudoatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Pseudoatrypa*	388.1 - 383.7 Ma Middle Devonian
Pseudoatrypa devoniana species	7	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Pseudoatrypa : *Pseudoatrypa devoniana*	383.7 - 382.4 Ma Devonian
Spinatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Spinatrypa*	387.7 - 382.7 Ma Devonian
Spinatrypina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Spinatrypina*	388.1 - 383.7 Ma Middle Devonian
Variatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Variatrypa*	387.7 - 372.2 Ma Devonian
Cariniferella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : *Cariniferella*	383.7 - 382.4 Ma Devonian
Cariniferella iowensis species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Cariniferella : *Cariniferella iowensis*	382.7 - 372.2 Ma Late/Upper Devonian
Rhipidomella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : *Rhipidomella*	387.7 - 382.7 Ma Devonian
Schizophoria sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : *Schizophoria*	388.1 - 383.7 Ma Middle Devonian
Schizophoria (Schizophoria) iowensis species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Schizophoria) iowensis*	387.7 - 372.2 Ma Devonian
Schizophoria (Schizophoria) macfarlanii species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Schizophoria) macfarlanii*	387.7 - 372.2 Ma Devonian
Schizophoria amanaensis species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria amanaensis*	382.7 - 372.2 Ma Late/Upper Devonian
Schizophoria lata species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria lata*	388.1 - 383.7 Ma Middle Devonian
Pentamerida order	4	Animalia : Brachiopoda : Rhynchonellata : Pentamerida	387.7 - 382.7 Ma Devonian
Pentamerella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Clorindidae : *Pentamerella*	388.1 - 383.7 Ma Middle Devonian
Gypidula sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : *Gypidula*	383.7 - 382.4 Ma Devonian
Gypidula cornuta species	7	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : Gypidula : *Gypidula cornuta*	387.7 - 382.7 Ma Devonian
Gypidulina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : *Gypidulina*	387.7 - 372.2 Ma Devonian
Sieberella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Gypidulidae : *Sieberella*	382.7 - 372.2 Ma Late/Upper Devonian
Hadrorhynchia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Hadrorhynchiidae : *Hadrorhynchia*	387.7 - 372.2 Ma Devonian
Hypothyridina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Hypothyridinidae : *Hypothyridina*	383.7 - 382.4 Ma Devonian
Lorangerella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Hypothyridinidae : *Lorangerella*	383.7 - 382.4 Ma Devonian
Atribonium sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Stenoscismatidae : *Atribonium*	388.1 - 383.7 Ma Middle Devonian
Ripidiorhynchus sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Trigonirhynchiidae : *Ripidiorhynchus*	387.7 - 382.7 Ma Devonian
Ladogioides sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Yunnanellidae : *Ladogioides*	388.1 - 383.7 Ma Middle Devonian
Allanella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Adolfiidae : *Allanella*	388.1 - 383.7 Ma Middle Devonian
Echinocoelia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Ambocoeliidae : *Echinocoelia*	387.7 - 382.7 Ma Devonian
Tenticospirifer sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Cyrtospiriferidae : *Tenticospirifer*	383.7 - 382.4 Ma Devonian
Elita sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Elythidae : *Elita*	388.1 - 383.7 Ma Middle Devonian
Eleutherokomma sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : *Eleutherokomma*	387.7 - 372.2 Ma Devonian
Tylothyris sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : *Tylothyris*	388.1 - 383.7 Ma Middle Devonian
Eosyringothyris sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Eosyringothyris*	388.1 - 383.7 Ma Middle Devonian
Orthospirifer sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Orthospirifer*	388.1 - 383.7 Ma Middle Devonian
Subcuspidella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Subcuspidella*	383.7 - 382.4 Ma Devonian
Spinocyrtia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Spinocyrtia*	382.7 - 372.2 Ma Late/Upper Devonian
Cyrtina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Cyrtina*	388.1 - 383.7 Ma Middle Devonian
Tecnocyrtina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Tecnocyrtina*	388.1 - 383.7 Ma Middle Devonian
Cranaena sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : *Cranaena*	388.1 - 383.7 Ma Middle Devonian
Cranaena romingeri species	7	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : Cranaena : *Cranaena romingeri*	387.7 - 382.7 Ma Devonian
Newberria sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Stringocephalidae : *Newberria*	387.7 - 382.7 Ma Devonian
Floweria sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : *Floweria*	388.1 - 383.7 Ma Middle Devonian
Schuchertella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Schuchertellidae : *Schuchertella*	388.1 - 383.7 Ma Middle Devonian
Dichacaenia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Araksalosiidae : *Dichacaenia*	387.7 - 382.7 Ma Devonian
Devonochonetes sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Chonetidae : *Devonochonetes*	387.7 - 382.7 Ma Devonian
Rhyssochonetes sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Chonetidae : *Rhyssochonetes*	387.7 - 382.7 Ma Devonian
Striatochonetes sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Chonetidae : *Striatochonetes*	387.7 - 382.7 Ma Devonian
Devonoproductus sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Monticuliferidae : *Devonoproductus*	387.7 - 372.2 Ma Devonian
Productella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : *Productella*	383.7 - 382.4 Ma Devonian
Productella belanskii species	7	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : Productella : *Productella belanskii*	388.1 - 383.7 Ma Middle Devonian
Strophalosia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Strophalosiidae : *Strophalosia*	383.7 - 382.4 Ma Devonian
Douvillina sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : *Douvillina*	382.7 - 372.2 Ma Late/Upper Devonian
Douvillina arcuata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : Douvillina : *Douvillina arcuata*	387.7 - 382.7 Ma Devonian
Nervostrophia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptostrophiidae : *Nervostrophia*	383.7 - 382.4 Ma Devonian
Protoleptostrophia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptostrophiidae : *Protoleptostrophia*	387.7 - 382.7 Ma Devonian
Pholidostrophia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Pholidostrophia*	388.1 - 383.7 Ma Middle Devonian
Strophodonta (Strophodonta) sp. subgenus	6.3	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophodonta (Strophodonta)*	388.1 - 383.7 Ma Middle Devonian
Strophodonta umbonata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Stropheodontidae : Strophodonta : *Strophodonta umbonata*	387.7 - 382.7 Ma Devonian
Strophomena (Strophodonta) sp. subgenus	6.3	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophomena (Strophodonta)*	382.7 - 372.2 Ma Late/Upper Devonian
Iowadipterus halli species	7	Animalia : Chordata : Osteichthyes : Holodipterida : Holodontidae : Iowadipterus : *Iowadipterus halli*	387.7 - 382.7 Ma Devonian
Tabulata subclass	3.3	Animalia : Cnidaria : Anthozoa : Tabulata	388.1 - 383.7 Ma Middle Devonian
Paracyclas sp. genus	6	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : *Paracyclas*	387.7 - 382.7 Ma Devonian
Paracyclas dubia species	7	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Paracyclas : *Paracyclas dubia*	382.7 - 372.2 Ma Late/Upper Devonian
Paracyclas elliptica species	7	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Paracyclas : *Paracyclas elliptica*	382.7 - 372.2 Ma Late/Upper Devonian
Leptodesma (Leiopteria) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Ostreida : Pterineidae : Leptodesma : *Leptodesma (Leiopteria)*	387.7 - 382.7 Ma Devonian
Fraipontia bella species	7	Animalia : Mollusca : Rostroconchia : Conocardiida : Hippocardiidae : Fraipontia : *Fraipontia bella*	387.7 - 382.7 Ma Devonian
Stromatoporoidea class	3	Animalia : Porifera : Stromatoporoidea	388.1 - 383.7 Ma Middle Devonian

References

Cooper G. A., Cloud P.E. (1938) New Devonian fossils from Calhoun County, Illinois, Journal of Paleontology 12 5, 444-460

Day J. (1988) The brachiopod succession of the Late Givetian-Frasnian of Iowa, Devonian of the World, Volume III. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada, 303-325

Hickerson W. (1992) Trilobites from the Late Givetian Solon Member, Little Cedar Formation of Eastern Iowa and Northwestern Illinois, in, The stratigraphy, paleontology, depositional and diagenetic history of the Middle-Upper Devonian Cedar Valley Group of Central and Eastern Iowa 16

Schultze H.-P. (1992) A new long-headed dipnoan (Osteichthyes) from the Middle Devonian of Iowa, USA, Journal of Vertebrate Paleontology 12 1, 42-58

Day J. (1996) Faunal signatures of Middle-Upper Devonian depositional sequences and sea level fluctuations in the Iowa Basin: US Midcontinent, Paleozoic Sequence Stratigraphy: Views from the North America Craton: Boulder, Colorado, Geological Society of America Special Paper 306 306, 277-300

Rode A. L., Lieberman B. S. (2004) Using GIS to unlock the interactions between biogeography, environment, and evolution in middle and Late Devonian brachiopods and bivalves, Palaeogeography, Palaeoclimatology, Palaeoecology 211 3-4, 345-359

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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