St Ann's Great River Inlier (Cretaceous of Jamaica)

Where: Jamaica (18.4° N, 77.2° W: paleocoordinates 17.0° N, 62.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Inoceramus Shales Formation, Late/Upper Santonian (85.8 - 83.5 Ma)

• middle of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone and lithified sandstone

• mudstone with a few thin sandstone beds

Size classes: macrofossils, microfossils

Preservation: cast

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99827: authorized by Wolfgang Kiessling, entered by Uta Merkel on 24.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Globigerinaceae - Globotruncanidae
  - Guembelitriidae
Crinoidea
 Comatulida - Uintacrinidae
Uintacrinus socialis Grinnell 1876 Feather star
Bivalvia
 Myalinida - Inoceramidae
"Cordiceramus muelleri" = Inoceramus (Cordiceramus) clam