Point no Point: Tortonian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Cetacea
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Siphonocetus clarkianus
Cope 1895
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1 specimen | ||||||
nomen dubium belonging to Siphonocetes | |||||||
see common names |
Geography
Country: | United States | State/province: | Maryland | County: | St. Mary's |
Coordinates: | 38.1° North, 76.3° West (view map) | ||||
Paleocoordinates: | 38.3° North, 74.3° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | local area |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Tortonian | ||
Age range of interval: | 11.62000 - 7.24600 m.y. ago |
Stratigraphy
Geological group: | Chesapeake | Formation: | St Marys | ||
Regional section: | Shattuck | Regional bed: | 22-24 | ||
Regional order: | bottom to top | ||||
Stratigraphy comments: unclear what zone this is from |
Lithology and environment
Primary lithology: | silty,sandy claystone |
Includes fossils? | Y |
Lithology description: clay, silt, and very fine to fine sand | |
Environment: | foreshore |
Geology comments: foreshore, muddy, shallow shelf |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 70865 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | B. Shipps | Research group: | vertebrate |
Created: | 2007-04-10 11:28:49 | Last modified: | 2017-02-26 16:35:50 |
Access level: | database members | Released: | 2007-07-10 11:28:49 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
15442. | E. C. Case. 1904. Systematic Paleontology: Mammalia. Maryland Geological Survey Miocene: Text 1-58 [M. Uhen/M. Uhen] |
Secondary references:
33214 | T. G. Gibson. 1962. Revision of the Turridae of the Miocene St. Mary's Formation of Maryland. Journal of Paleontology 36(2):225-246 [M. Uhen/S. Strother] | |
27984 | S. M. Kidwell. 1997. Anatomy of extremely thin marine sequences landward of a passive-margin hinge zone: Neogene Calvert Cliffs Succession, Maryland, U.S.A. Journal of Sedimentary Research 67(2):322-340 [M. Uhen/M. Uhen] |