Brightseat, Prince George's: Late/Upper Maastrichtian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Holasteroida - Holasteridae
Cardiaster marylandica n. sp. Clark 1916
corrected as Cardiaster marylandicus
Chondrichthyes - Lamniformes - Mitsukurinidae
Lamna elegans Agassiz 1838
Berry 1916
synonym of Otodus macrotus
see common names

Geography
Country:United States State/province:Maryland County:Prince George's
Coordinates: 38.9° North, 76.9° West (view map)
Paleocoordinates:39.7° North, 52.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Monmouth
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Maryland Geological Survey
Metadata
Database number:78173
Authorizer:W. Kiessling, M. Uhen Enterer:U. Merkel, M. Uhen
Modifier:M. Carrano Research group:marine invertebrate
Created:2008-01-30 02:51:12 Last modified:2021-07-01 11:28:31
Access level:the public Released:2008-01-30 02:51:12
Creative Commons license:CC BY
Reference information

Primary reference:
26335.1% 20600C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]

Secondary references:

41363 E. W. Berry. 1916. Systematic Paleontology: Vertebrata. In W. Clark (ed.), Maryland Geological Survey: Upper Cretaceous 347-361 [M. Uhen/M. Uhen]