Strimple Collection, Davis Formation, Missouri - Stitt 1983: Franconian - Dolgellian, Missouri
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Rhynchonellata
- Orthida
- Eoorthidae
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Trilobita
- Olenida
- Dokimokephalidae
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Sulcocephalus candidus
(Resser 1942)
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| one enrolled specimen and several broken cranidia, one broken pygidium | ||||||||||
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Dellea suada
(Walcott 1890)
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Trilobita
- Olenida
- Pterocephaliidae
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Pterocephalia sanctisabae
Roemer 1849
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Trilobita
- Ptychopariida
- Kingstoniidae
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| 58 specimens | ||||||||||
| enrolled specimens | ||||||||||
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Trilobita
- Ptychopariida
- Elviniidae
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| 1 specimen | ||||||||||
| slightly weathered and enrolled specimen | ||||||||||
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Elvinia roemeri
(Shumard 1861)
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Trilobita
- Ptychopariida
- Phylacteridae
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Drabia acroccipita
Wilson 1951
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3 specimens | |||||||||
| cranidia | ||||||||||
| 23 specimens | ||||||||||
| enrolled specimens and isolated cranidia and pygidia | ||||||||||
| 4 specimens | ||||||||||
| incomplete enrolled specimens | ||||||||||
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Trilobita
- Ptychopariida
- Catillicephalidae
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Buttsia drabensis
Wilson 1951
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Buttsia informal drabensis
Wilson 1951
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Missouri | County: | St. Francois |
| Coordinates: | 37.8° North, 90.5° West (view map) | ||||
| Paleocoordinates: | 15.2° North, 111.8° West (Wright 2013) | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| *Period: | Late/Upper Cambrian | *Epoch: | Merioneth |
| *International age/stage: | Early/Lower Dolgellian - Middle Dolgellian | *Local age/stage: | Franconian |
| Key time interval: | Franconian - Dolgellian | Zone: | Elvinia |
| Age range of interval: | 497 - 486.85 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Davis | ||||
| Local section: | type section | Regional bed: | basal 10 cm of shale interval | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Specimens are from the basal 10 cm of shale interval, immediately above the limestone beds from which yielded Kurtz's trilobite collection no. 967-6. | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Lithology description: shale interval: mostly mixed layer chlorite and illite, with some montmorillonite and traces of quartz and calcite. | |
| Environment: | transition zone/lower shoreface |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Specimens from the collection are stored in the repository of the Department of Geology, University of Iowa and one pygidium is stored in the Department of Geology, University of Missouri-Columbia | |
Metadata
| Database number: | 9586 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow | Research group: | marine invertebrate |
| Created: | 2001-03-22 12:03:00 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2001-03-22 12:03:00 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 833. | J. H. Stitt. 1983. Enrolled Late Cambrian trilobites from the Davis Formation, southeast Missouri. Journal of Paleontology 57(1):93-105 [M. Patzkowsky/P. Borkow] |