ammonites
Thetford Center (Holocene of the United States)

Where: Genesee County, Michigan (43.2° N, 83.6° W: paleocoordinates 43.2° N, 83.6° W)

• coordinate estimated from map

When: Holocene (0.0 - 0.0 Ma)

• bone radiocarbon dated at 720 +- 70 B.P.

Environment/lithology: lacustrine - large; unlithified sandstone

Size class: macrofossils

Preservation: original phosphate, anthropogenic

Reposited in the UMMP

Collection methods: salvage, quarrying

Primary reference: C. E. Harington. 1977. Marine mammals in the Champlain Sea and the Great Lakes. Annals of the New York Academy of Sciences 288:508-537 [M. Uhen/M. Uhen] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51031: authorized by Mark Uhen, entered by Mark Uhen on 26.05.2005

Thetford Center: Holocene, Michigan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cetacea - Balaenopteridae
Balaenoptera sp. Lacepede 1804
Harington 1988 1 specimen
see common names

Geography
Country:United States State/province:Michigan County:Genesee
Coordinates: 43.2° North, 83.6° West (view map)
Paleocoordinates:43.2° North, 83.6° West
Basis of coordinate:estimated from map
Time
Period:Quaternary Epoch:Holocene
Key time interval:Holocene
Age range of interval:0.012 - 0.0 m.y. ago
Stratigraphy
Stratigraphy comments: bone radiocarbon dated at 720 +- 70 B.P.
Lithology and environment
Primary lithology: unlithified sandstone
Includes fossils?Y
Environment:lacustrine - large
Taphonomy
Modes of preservation:body,original phosphate,anthropogenic
Size of fossils:macrofossils
Disassociated minor elements:all
Collection methods and comments
Collection methods:salvage,selective quarrying
Reason for describing collection:biostratigraphic analysis
Museum repositories:UMMP
Metadata
Database number:51031
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2005-05-26 12:15:35 Last modified:2010-07-08 06:32:29
Access level:the public Released:2005-05-26 12:15:35
Creative Commons license:
Reference information
Primary reference:
33072 C. E. Harington. 1977. Marine mammals in the Champlain Sea and the Great Lakes. Annals of the New York Academy of Sciences 288:508-537 [M. Uhen/M. Uhen]

Secondary references:

13616 C. R. Harington. 1988. Marine mammals of the Champlain Sea, and the problem of whales in Michigan. Geological Association of Canada Special Paper 35:225-240 [M. Uhen/M. Uhen/M. Uhen]