List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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unclassified
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Echinodermata indet.
Klein 1754
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Trilobita
- Redlichiida
- Nevadiidae
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Nevadella sp.
Raw 1936
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Trilobita
- Redlichiida
- Holmiidae
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Holmiella sp.
Fritz 1972
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Spygoria zappania n. gen., n. sp.
Salak and Lescinsky 1999
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Archaeocyatha
- Ajacicyathida
- Sajanocyathidae
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Diplocyathellus sp.
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Archaeocyatha
- Ajacicyathida
- Ethmophyllidae
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Ethmophyllum sp.
Meek 1868
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Archaeocyatha
- Archaeocyathida
- Claruscoscinidae
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Fenestrocyathus sp.
Handfield 1971
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Lander |
| Coordinates: | 39.9° North, 117.1° West (view map) | ||||
| Paleocoordinates: | 1.8° South, 92.8° West | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 - Cambrian 1-3 | ||
| *Period: | Early/Lower Cambrian - Middle Cambrian | *Epoch: | Middle Caerfai - Late/Upper Caerfai |
| *International age/stage: | Lenian | *Local age/stage: | Botomian |
| Key time interval: | Botomian - Caerfai | ||
| Age range of interval: | 515.6 - 509 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local section: | Wilson's (1992) section 1 | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 50 cm thick and overlain by 9m of archaeocyathan carbonates. | |||||
Lithology and environment
| Primary lithology: | burrows lithified "limestone" |
| Secondary lithology: | lithified sandstone |
| Includes fossils? | Y |
| Lithology description: limestone with occasional pockets of fine sandstone | |
Taphonomy
| Modes of preservation: | original aragonite,replaced with calcite,replaced with phosphate |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP |
| Collection method comments: The Spygoria were originally aragonitic in composition, but recrystalized to calcite microspar. Biohermal in nature (framework metazoan) forming stacks on average of 2-6 ""cups"". | |
Metadata
| Database number: | 9316 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow | Research group: | marine invertebrate |
| Created: | 2000-10-18 07:49:22 | Last modified: | 2003-07-18 18:01:39 |
| Access level: | the public | Released: | 2001-02-23 12:02:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 802. | M. Salak and H. L. Lescinsky. 1999. Spygoria zappania new genus and species, a Cloudina-like biohermal metazoan from the Lower Cambrian of central Nevada. Journal of Paleontology 73(4):571-576 [M. Patzkowsky/P. Borkow/J. Alroy] |