Horizon 6, Centerfield Member, Triphammer Falls, Genesee Valley, Livingston Co.,: Givetian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Auloporida
- Aulocystidae
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Aulocystis sp.
Schlüter 1885
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8 individuals | |||||||||
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Bivalvia
- Nuculanida
- Cucullellidae
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Nuculites sp.
Conrad 1841
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1 individual | |||||||||
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Bivalvia
- Nuculanida
- Malletiidae
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Palaeoneilo sp.
Hall and Whitfield 1869
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3 individuals | |||||||||
| [entered as Paleoneilo sp.] | ||||||||||
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Bivalvia
- Modiomorphida
- Cypricardiniidae
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Cypricardinia sp.
Hall 1860
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2 individuals | |||||||||
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Bivalvia
- Ostreida
- Pterineidae
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Actinopteria sp.
Hall 1884
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1 individual | |||||||||
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Strophomenata
- Productida
- Productellidae
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Productella sp.
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4 individuals | |||||||||
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Strophomenata
- Strophomenida
- Strophodontidae
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Pholidostrophia sp.
Hall and Clarke 1892
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2 individuals | |||||||||
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Strophomenata
- Strophomenida
- Chonetidae
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Longispina sp.
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132 individuals | |||||||||
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Devonochonetes scitulus
(Hall 1857)
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74 individuals | |||||||||
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Strophomenata
- Strophomenida
- Leptostrophiidae
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Protoleptostrophia sp.
Caster 1939
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1 individual | |||||||||
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Rhynchonellata
- Spiriferida
- Spinocyrtiidae
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Mediospirifer sp.
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2 individuals | |||||||||
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Rhynchonellata
- Spiriferida
- Ambocoeliidae
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Ambocoelia sp.
Hall 1860
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133 individuals | |||||||||
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Mucrospirifer mucronatus
(Conrad 1841)
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3 individuals | |||||||||
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira sp.
Hall 1859
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1 individual | |||||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Pseudatrypa sp.
(Copper 1973)
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5 individuals | |||||||||
| original and current combination Pseudoatrypa | ||||||||||
| [entered as Pseudoatrypa sp.] | ||||||||||
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Stenolaemata
- Cystoporida
- Sulcoreteporidae
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Sulcoretepora sp.
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Trilobita
- Phacopida
- Phacopidae
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Phacops sp.
Emmrich 1839
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15 individuals | |||||||||
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Trilobita
- Phacopida
- Acastidae
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Greenops sp.
Delo 1935
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5 individuals | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York | County: | Livingston |
| Coordinates: | 42.9° North, 77.8° West (view map) | ||||
| Paleocoordinates: | 36.7° South, 25.3° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Givetian | 10 m.y. bin: | Devonian 3 |
| Key time interval: | Givetian | ||
| Age range of interval: | 387.70000 - 382.70000 m.y. ago |
Stratigraphy
| Formation: | Ludlowville | Member: | Centerfield | ||
| Local section: | Triphammer Falls | Local bed: | 6 | ||
| Local order: | bottom to top | ||||
| Regional section: | Genesee Valley | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: this horizon is within the lower transitional shales of the York submember of the Centerfield | |||||
Lithology and environment
| Primary lithology: | gray argillaceous claystone | ||
| Lithology description: light gray to gray claystone | |||
| Environment: | transition zone/lower shoreface | Tectonic setting: | foreland basin |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),chemical,mechanical,field collection,observed (not collected) |
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:Data is presented two ways in the paper: as presence/absence data for all 34 sampled horizons and standardized abundances for 23 of those horizons. Where available, abundance data is entered. Counts from bulk sampling "were adjusted uniformly for fragmented and single valve occurences by multiplying through a ratio--4 fragments or 2 valves equal to one occurrence". Standardization means "bulk sampling counts were standardized by sample weight". | |
Metadata
| Database number: | 8760 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2000-08-28 14:33:09 | Last modified: | 2004-04-27 18:49:56 |
| Access level: | the public | Released: | 2000-11-20 13:53:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 684. | M. Savarese, L. M. Gray, and C. E. Brett. 1986. Faunal and Lithologic Cyclicity in the Centerfield Member (Middle Devonian: Hamilton Group) of Western New York: A Reinterpretation of Depositional History. In E. Landing, C. E. Brett (eds.), Dynamic Stratigraphy and Depositional Environments of the Hamilton Group (Middle Devonian) in New York State, Part I 457:32-56 [A. Miller/K. Layou/P. Wagner] |