Locality 7A, Buffalo Creek, Ledyard Member, Ludlowville Formation, Erie Co., NY: Givetian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
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Ostracoda indet.
Latreille 1802
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| x | ||||||||||
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Trilobita
- Phacopida
- Acastidae
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Greenops boothi
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| r | ||||||||||
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Trilobita
- Phacopida
- Phacopidae
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Phacops rana
(Green 1832)
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| recombined as Eldredgeops rana | ||||||||||
| r | ||||||||||
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Tentaculita
- Styliolinida
- Styliolinidae
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Styliolina fissurella
(Hall 1879)
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| a | ||||||||||
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Cephalopoda
- Goniatitida
- Tornoceratidae
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Tornoceras uniangulare
(Conrad 1842)
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| x | ||||||||||
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Michelinoceras ? sp.
Foerste 1932
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| x | ||||||||||
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Gastropoda
- Bellerophontida
- Bellerophontidae
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Retispira leda
(Hall 1859)
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| x | ||||||||||
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Gastropoda
- Murchisoniina
- Gosseletinidae
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Glyptotomaria sp.
Knight 1945
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| x [entered as Glytotomaria sp.] | ||||||||||
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Gastropoda
- Murchisoniina
- Palaeozygopleuridae
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Palaeozygopleura hamiltoniae
(Hall 1859)
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| x | ||||||||||
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Bivalvia
- Nuculanida
- Cucullellidae
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Nuculites sp.
Conrad 1841
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| x | ||||||||||
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Bivalvia
- Ostreida
- Pterineidae
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Leptodesma conradi
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| x | ||||||||||
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Bivalvia
- Myalinida
- Lunulacardiidae
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Pterochaenia fragilis
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| x | ||||||||||
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Bivalvia
- Cyrtodontida
- Antipleuridae
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Panenka hero
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| x | ||||||||||
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Tentaculitida
- Tentaculitidae
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Tentaculites gracilis
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| x | ||||||||||
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Rhynchonellata
- Spiriferida
- Ambocoeliidae
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Ambocoelia umbonata
Conrad 1842
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| a | ||||||||||
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Mucrospirifer mucronatus
(Conrad 1841)
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| x | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia ? sp.
Hall and Clarke 1893
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| x | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Leiorhynchidae
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Eumetabolotoechia multicostum
(Hall 1860)
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| recombined as Eumetabolotoechia multicostata | ||||||||||
| a | ||||||||||
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Strophomenata
- Orthotetida
- Areostrophiidae
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Schuchertella arctostriata
(Hall 1843)
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| recombined as Floweria arctostriata | ||||||||||
| x | ||||||||||
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Strophomenata
- Strophomenida
- Chonetidae
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Longispina mucronatus
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| x | ||||||||||
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Devonochonetes sp.
Muir-Wood 1962
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| a | ||||||||||
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Lingulata
- Lingulida
- Lingulidae
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Lingula sp.
Bruguiére 1797
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| x | ||||||||||
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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| r | ||||||||||
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Stenolaemata
- Cryptostomata
- Palescharidae
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Paleschara radiata
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| r | ||||||||||
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Stenolaemata
- Cyclostomata
- Reptariidae
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Reptaria stolonifera
Rolle 1851
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| r | ||||||||||
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Anthozoa
- Auloporida
- Aulocystidae
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Aulocystis sp.
Schlüter 1885
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| r | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York | County: | Erie |
| Coordinates: | 42.9° North, 78.6° West (view map) | ||||
| Paleocoordinates: | 36.5° South, 26.1° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Givetian | 10 m.y. bin: | Devonian 3 | *Local age/stage: | Erian |
| Key time interval: | Givetian | ||
| Age range of interval: | 387.70000 - 382.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ludlowville | Member: | Ledyard | ||
| Local section: | Buffalo Creek | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: samples from the lower part of the Ledyard Member | |||||
Lithology and environment
| Primary lithology: | pyritic,shelly/skeletal,black,gray "shale" | ||
| Lithology description: dark gray to black, hard, brittle clay shale which weathers to a chippy or papery consistency; fissility is well developed, and in some instances, very thin silty or shelly laminae are visible | |||
| Environment: | offshore | Tectonic setting: | foreland basin |
Taphonomy
| Modes of preservation: | body,original aragonite,replaced with pyrite |
Collection methods and comments
| Collection methods: | bulk,field collection,observed (not collected) |
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:relative abundance symbols: a = abundant, 10s to 100s of specimens; c = commonly found, 10s of specimens; x = present, fewer than 10 specimens found; r = rare, usually only a single specimen found; ? = identification questionable | |
Metadata
| Database number: | 9354 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2000-10-23 10:47:13 | Last modified: | 2004-04-27 18:49:56 |
| Access level: | the public | Released: | 2000-11-20 13:53:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 806. | C. E. Brett, V. B. Dick, and G. C. Baird. 1991. Comparative Taphonomy and Paleoecology of Middle Devonian Dark Gray and Black Shale Facies from Western New York. In E. Landing, C. E. Brett (eds.), Dynamic Stratigraphy and Depositional Environments of the Hamilton Group (Middle Devonian) in New York State, Part II 469:5-36 [A. Miller/K. Layou/P. Wagner] |