2.5 miles NW of Matawan: Late Santonian, New Jersey

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Holasteroida - Holasteridae
Cardiaster smocki n. sp. Clark 1907
Clark and Twitchell 1915
see common names

Geography
Country:United States State/province:New Jersey County:Middlesex
Coordinates: 40.4° North, 74.3° West (view map)
Paleocoordinates:40.6° North, 32.9° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Santonian 10 m.y. bin: Cretaceous 6
Key time interval: Late Santonian
Age range of interval: 85.7 - 83.6 m.y. ago
Stratigraphy
Geological group:Matawan Formation:Merchantville
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: claystone
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: New Jersey State Museum, Trenton
Metadata
Database number:78172
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:P. Mannion Research group:marine invertebrate
Created:2008-01-30 02:39:14 Last modified:2025-02-22 15:12:02
Access level:the public Released:2008-01-30 02:39:14
Creative Commons license:CC0
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:

16640 W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341 [L. Villier/J. Millet/M. Uhen]