Calvert Cliffs Nuclear Power Plant, Zone 17: Serravallian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Actinelloptychus senarius
|
Andrews 1976 | |||||||||
|
Dosetia hyalina n. sp.
|
Andrews 1976 | |||||||||
|
Rhaponeis amphiceros
|
Andrews 1976 | |||||||||
|
Rhaponeis angustata
|
Andrews 1976 | |||||||||
|
Rhaponeis diamantella n. sp.
|
Andrews 1976 | |||||||||
|
Rhaponeis immunis
|
Andrews 1976 | |||||||||
|
Rhaponeis lancettula
|
Andrews 1976 | |||||||||
|
Grammatophora marina
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Thalassionematales
- Thalassionemataceae
|
||||||||||
|
Thalassiothrix longissima
Cleve and Grunow 1880
|
Andrews 1976 | |||||||||
|
Thalassionema obtusa
(Grunow 1881)
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Naviculales
- Diploneidaceae
|
||||||||||
|
Diploneis crabro
(Ehrenberg 1844)
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Naviculales
- Naviculaceae
|
||||||||||
|
Navicula pennata
Schmidt 1876
|
Andrews 1976 | |||||||||
|
Navicula lyra
Ehrenberg 1843
|
Andrews 1976 | |||||||||
|
Navicula hennedyi
Smith 1856
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
|
||||||||||
|
Pseudopyxilla americana
(Ehrenberg 1843)
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Achnanthales
- Cocconeidaceae
|
||||||||||
|
Cocconeis sp.
Ehrenberg 1838
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Melosirales
- Melosiraceae
|
||||||||||
|
Pyxidicula cruciata
Ehrenberg 1843
|
Andrews 1976 | |||||||||
|
Paralia complexa
(Lohman 1948)
|
Andrews 1976 | |||||||||
| original and current combination Melosira complexa | ||||||||||
|
Melosira westii
Smith 1856
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Melosirales
- Hyalodiscaceae
|
||||||||||
|
Hyalodiscus laevis
Ehrenberg 1845
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Melosirales
- Stephanopyxidaceae
|
||||||||||
|
Stephanopyxis lineata
(Ehrenberg 1854)
|
Andrews 1976 | |||||||||
|
Stephanopyxis turris
(Greville and Arnot 1857)
|
Andrews 1976 | |||||||||
|
Stephanopyxis corona
Ehrenberg 1845
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Hemidiscaceae
|
||||||||||
|
Actinocyclus ingens
Rattray 1890
|
Andrews 1976 | |||||||||
|
Actinocyclus octonarius
Ehrenberg 1838
|
Andrews 1976 | |||||||||
|
Actinocyclus tenellus
(Brébisson 1854)
|
Andrews 1976 | |||||||||
|
Actinocyclus ellipticus
Grunow 1883
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
|
||||||||||
|
Xanthiopyxis microspinosa n. sp.
Andrews 1976
|
Andrews 1976 | |||||||||
|
Goniothecium rogersii
Ehrenberg 1843
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Hemiaulales
- Hemiaulaceae
|
||||||||||
|
Eucampia virginica
Grunow 1882
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Paraliales
- Paraliaceae
|
||||||||||
|
Paralia sulcata
(Ehrenberg 1838)
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Coscinodiscales
- Coscinodiscaceae
|
||||||||||
|
Craspedodiscus coscinodiscus
Ehrenberg 1845
|
Andrews 1976 | |||||||||
|
Coscinodiscus perforatus
Ehrenberg 1844
|
Andrews 1976 | |||||||||
| var cellulosa, pavillardi | ||||||||||
|
Coscinodiscus radiatus
Ehrenberg 1841
|
Andrews 1976 | |||||||||
|
Coscinodiscus curvatulus
Grunow 1878
|
Andrews 1976 | |||||||||
|
Coscinodiscus vetustissimus
Pantocsek 1886
|
Andrews 1976 | |||||||||
|
Coscinodiscus apiculatus
Ehrenberg 1844
|
Andrews 1976 | |||||||||
|
Coscinodiscus oculusiridis
Ehrenberg 1841
|
Andrews 1976 | |||||||||
|
Coscinodiscus inclusus
Rattray 1889
|
Andrews 1976 | |||||||||
|
Coscinodiscus rothii
(Ehrenberg 1854)
|
Andrews 1976 | |||||||||
|
Coscinodiscus marginatus
Ehrenberg 1839
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Coscinodiscales
- Heliopeltaceae
|
||||||||||
|
Actinoptychus virginicus
(Grunow 1883)
|
Andrews 1976 | |||||||||
|
Actinoptychus marylandicus n. sp.
Andrews 1976
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Centrales
- Eupodiscaceae
|
||||||||||
|
Rattrayella inconspicua
(Rattray 1888)
|
Andrews 1976 | |||||||||
|
Triceratium condecorum
Ehrenberg 1845
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Biddulphiales
- Terpsinoaceae
|
||||||||||
|
Terpsinoe americana
(Bailey 1854)
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
- Thalassiophysales
- Catenulaceae
|
||||||||||
|
Amphora sp.
Kützing 1844
|
Andrews 1976 | |||||||||
|
Bacillariophyceae
|
||||||||||
|
Liradiscus ovalis
Greville 1865
|
Andrews 1976 | |||||||||
|
Liradiscus asperulus n. sp.
Andrews 1976
|
Andrews 1976 | |||||||||
|
unclassified
|
||||||||||
|
Pleurosigma affine
Grunow 1880
|
Andrews 1976 | |||||||||
| var marylandica | ||||||||||
|
Biddulphiaceae
|
||||||||||
|
Hemiaulus polymorphus
Grunow 1884
|
Andrews 1976 | |||||||||
| var virginica | ||||||||||
|
Biddulphia tuomeyi
(Bailey 1844)
|
Andrews 1976 | |||||||||
|
Biddulphia aurita
Kützing 1930
|
Andrews 1976 | |||||||||
| var obtusa | ||||||||||
|
Biddulphia semicircularis
(Brightwel 1853)
|
Andrews 1976 | |||||||||
|
unclassified
|
||||||||||
|
Stephanogonia actioptychus
|
Andrews 1976 | |||||||||
|
Periptera tetracladia
Ehrenberg 1845
|
Andrews 1976 | |||||||||
|
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
|
||||||||||
|
Carcharhinus sp.
de Blainville 1816
|
Uhen 2007 | |||||||||
|
Mammalia
- Carnivora
|
||||||||||
|
Carnivora indet.
Bowdich 1821
|
Uhen 2007 | |||||||||
|
Mammalia
- Cetacea
- Ziphiidae
|
||||||||||
|
Ziphiidae indet.
Gray 1850
|
1 specimen | |||||||||
|
unclassified
|
||||||||||
|
Grammatophora angulosa
Ehrenberg 1841
|
Andrews 1976 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Prince Georges |
| Coordinates: | 38.4° North, 76.4° West (view map) | ||||
| Paleocoordinates: | 38.6° North, 73.6° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Serravallian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Serravallian | ||
| Age range of interval: | 13.82000 - 11.63000 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | Choptank | Member: | Drumcliff |
| Regional section: | Shattuck | Regional bed: | 17 | ||
| Regional order: | bottom to top |
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Environment: | shoreface |
| Geology comments: Mollusk-dense pale yellow-brown to pale orange well-sorted sand; sub-tropical to temperate, in a current-swept channel-like basin | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 70546 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | Z. Tieman | Research group: | vertebrate |
| Created: | 2007-03-28 08:19:34 | Last modified: | 2010-06-22 00:07:48 |
| Access level: | the public | Released: | 2007-03-28 08:19:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23667. | S. J. Godfrey and A. J. Fuller. 2005. Fossil beaked whales (Ziphiidae) from Calvert Cliffs. Bugeye Times 30(2):1-10 [M. Uhen/M. Uhen] |
Secondary references:
| 61084 | G. Andrews. 1976. Miocene marine diatoms from the Choptank Formation, Calvert County, Maryland. Professional Paper [M. Uhen/B. Shipps] | |
| 24251 | M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen] | |
| 32709 | L. W. Ward and G. W. Andrews. 2008. Stratigraphy of the Calvert, Choptank, and St. Marys Formations (Miocene) in the Chesapeake Bay Area, Maryland and Virginia. Virginia Museum of Natural History Memoir 1-169 [M. Uhen/M. Uhen] |