St Ann's Great River Inlier: Late Santonian, Jamaica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Globotruncanidae
Guembelitriidae
Crinoidea - Comatulida - Uintacrinidae
Uintacrinus socialis Grinnell 1876
Bivalvia - Myalinida - Inoceramidae
see common names

Geography
Country:Jamaica
Coordinates: 18.4° North, 77.2° West (view map)
Paleocoordinates:
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
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
Formation:Inoceramus Shales
Stratigraphic resolution:group of beds
Stratigraphy comments: middle of the formation
Lithology and environment
Primary lithology: lithified mudstone
Secondary lithology: lithified sandstone
Lithology description: mudstone with a few thin sandstone beds
Environment:offshore
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:99827
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:U. Merkel Research group:marine invertebrate,micropaleontology
Created:2010-11-24 00:46:04 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-11-24 00:46:04
Creative Commons license:CC0
Reference information

Primary reference:
34319. S. F. Mitchell. 2009. The Cretaceous crinoid Uintacrinus socialis from Jamaica and its significance for global correlation. Geological Magazine 146(6):937-940 [W. Kiessling/U. Merkel]