Lang Farm Site: Late/Upper Pleistocene, Illinois
collected by D. Lang, W. Luzardi, A. Fuhrmann 1989, 1990
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Emydidae
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Emydidae indet.
Rafinesque 1815
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Mammalia
- Megalonychidae
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Megalonyx jeffersonii
(Desmarest 1822)
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| (1 measurement) | ||||||||||
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Mammalia
- Cervidae
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Cervalces scotti
(Lydekker 1898)
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Mammalia
- Rodentia
- Castoridae
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Castor canadensis
Kuhl 1820
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Actinopteri
- Esociformes
- Esocidae
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Esox sp.
Linnaeus 1758
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Illinois | County: | Bureau |
| Coordinates: | 41.5° North, 89.7° West (view map) | ||||
| Paleocoordinates: | 41.5° North, 89.7° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 198 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago | ||
| Age estimate: | 11485 ± 40 to 11405 ± 50 YBP (14C) |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "the sedimentary sequence was a lower blue clay (marl) with an upper peat color" with Cervalces apparently coming from the peat and Megalonyx from the clay, but most other specimens of unknown provenance best AMS 14C dates of on "highly purified bone collagen" are "11,405 +/- 50 14C yr B.P." (Cervalces) and "11,430 +/- 60 14 C yr B.P.... and 11,485 +/- 40" (Meglonyx) | |||||
Lithology and environment
| Primary lithology: | blue claystone |
| Secondary lithology: | peat |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Environment: | terrestrial indet. |
| Glacial or sequence phase: | late glacial |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | salvage,survey of museum collection | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | D. Lang, W. Luzardi, A. Fuhrmann | Collection dates: | 1989, 1990 |
| Collection method comments: Illinois State Museum collection
specimens recovered "while dredging a pond" | |||
Metadata
| Database number: | 93209 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2010-01-07 19:57:23 | Last modified: | 2010-01-14 18:37:09 |
| Access level: | the public | Released: | 2010-01-07 19:57:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31503. | B. W. Schubert, R. W. Graham, H. G. McDonald, E. C. Grimm, and T. W. Stafford, Jr. 2004. Latest Pleistocene paleoecology of Jefferson’s ground sloth (Megalonyx jeffersonii) and elk-moose (Cervalces scotti) in northern Illinois. Quaternary Research 61:231-240 [J. Alroy/J. Alroy/J. Alroy] |