Nora Springs (Locality 3), Floyd Co.: Frasnian, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Trupetustroma bassleri
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8 specimens | ||||||
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Trupetustroma hayense
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3 specimens | ||||||
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Stromatoporoidea
- Syringostromatida
- Stachyoditidae
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Stachyodes costulata
Lecompte 1952
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15 specimens | ||||||
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Stromatoporoidea
- Syringostromatida
- Syringostromatidae
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? Syringostroma confertum
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1 specimen | ||||||
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Stromatoporoidea
- Amphiporida
- Amphiporidae
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Amphipora pervesiculata
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52 specimens | ||||||
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Stromatoporoidea
- Actinostromatida
- Actinostromatidae
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Actinostroma clathratum
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8 specimens | ||||||
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Stromatoporoidea
- Stromatoporellida
- Stromatoporellidae
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Clathrocoilona involuta n. sp.
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4 specimens | ||||||
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Stromatoporoidea
- Stromatoporellida
- Trupetostromatidae
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Hermatostroma polymorphum
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3 specimens | ||||||
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Stromatoporoidea
- Clathrodictyida
- Atelodictyidae
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Atelodictyon masoncityense n. sp.
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5 specimens | ||||||
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Stromatoporoidea
- Clathrodictyida
- Tienodictyidae
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Hammatostroma albertense
Stearn 1961
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5 specimens | ||||||
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Strophomenata
- Strophomenida
- Douvillinidae
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Douvillina cayuta
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Rode and Lieberman 2004 | ||||||
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Strophomenata
- Strophomenida
- Strophodontidae
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Strophodonta costata
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Rode and Lieberman 2004 | ||||||
| corrected as Strophomena (Strophodonta) | |||||||
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Strophodonta mineolaensis
|
Rode and Lieberman 2004 | ||||||
| corrected as Strophomena (Strophodonta) | |||||||
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Strophodonta sp.
(Hall 1852)
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Rode and Lieberman 2004 | ||||||
| corrected as Strophomena (Strophodonta) | |||||||
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Strophomenata
- Productida
- Productellidae
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Productella fragilis
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Rode and Lieberman 2004 | ||||||
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Productella iowa
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Rode and Lieberman 2004 | ||||||
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Rhynchonellata
- Terebratulida
- Cranaenidae
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Cranaena marsii
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Rode and Lieberman 2004 | ||||||
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Cranaena parvirostra
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Rode and Lieberman 2004 | ||||||
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Rhynchonellata
- Spiriferida
- Spinocyrtiidae
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Spinocyrtia corvirostra
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Rode and Lieberman 2004 | 2 specimens | |||||
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Spinocyrtia cyrtiformis
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Rode and Lieberman 2004 | ||||||
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Spinocyrtia westerensis
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Rode and Lieberman 2004 | ||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Pseudatrypa devoniana
(Webster 1921)
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Rode and Lieberman 2004 | ||||||
| misspelling Pseudoatrypa devoniana | |||||||
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Bivalvia
- Lucinida
- Mactromyidae
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Paracyclas elliptica
Hall 1843
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Rode and Lieberman 2004 | 4 specimens | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Iowa | County: | Floyd |
| Coordinates: | 43.1° North, 93.0° West (view map) | ||||
| Paleocoordinates: | 29.1° South, 37.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Late/Upper Devonian |
| Stage: | Frasnian | 10 m.y. bin: | Devonian 4 | *Epoch: | Late Devonian |
| Key time interval: | Frasnian | ||
| Age range of interval: | 382.70000 - 372.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Shell Rock | Member: | Mason City |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | shelly/skeletal "reef rocks" |
| Secondary lithology: | "limestone" |
| Lithology description: at type section (locality 3 from this paper), the mason city member is 6.8 m thick, and is composed of a basal dolomite bed 0.8 m thick succeeded by several beds of limestone. a cora-stromatoporoid biostrome 1.65 m thick is located in the lower part of the member, 0.18 m above the dolomite | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some macrofossils,some microfossils |
| Collection methods: | bulk,surface (in situ),peel or thin section,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Reef 3867 | ||
| Database number: | 6264 | ||
| Authorizer: | A. Miller, A. Stigall | Enterer: | K. Layou, A. Stigall |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2000-02-14 16:22:10 | Last modified: | 2008-10-17 05:33:26 |
| Access level: | the public | Released: | 2000-02-14 16:22:10 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 397. | C. W. Stock. 1982. Upper Devonian (Frasnian) Stromatoporoidea of north-central Iowa: Mason City Member of the Shell Rock Formation. Journal of Paleontology 56(3):654-679 [A. Miller/K. Layou/M. Uhen] |
Secondary references:
| 14402 | A. L. Rode and B. S. Lieberman. 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 [A. Stigall/A. Stigall/A. Stigall] |