Grantham section, Rhythm B3, middle part, bed 6 (Cretaceous of Jamaica)

Where: Clarendon Parish, Jamaica (18.2° N, 77.4° W: paleocoordinates 18.6° N, 71.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Guinea Corn Formation, Maastrichtian (72.1 - 66.0 Ma)

• Upper Campanian?

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; siltstone and rudstone

• 1.8 m of alternating thin siltstones and thin coral rudstones with the Valastrea-Actinacis assemblage.

Size classes: macrofossils, mesofossils

Primary reference: S. F. Mitchell. 2002. Palaeoecology of corals and rudists in mixed volcaniclastic carbonate small-scale rhythms (Upper Cretaceous, Jamaica). Palaeogeography, Palaeoclimatology, Palaeoecology 186:237-259 [W. Kiessling/A. Lauchstedt]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 163010: authorized by Wolfgang Kiessling, entered by Andreas Lauchstedt on 09.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Rhipidogyridae
"Ovalastrea trechmanni" = Barysmilia trechmanni
"Ovalastrea trechmanni" = Barysmilia trechmanni Wells 1934 stony coral
 Scleractinia - Merulinidae
"Leptoria conferticostata" = Dictuophyllia conferticostata
"Leptoria conferticostata" = Dictuophyllia conferticostata Vaughan 1899 stony coral
 Scleractinia - Meandrinidae
Pachygyra indet. Milne-Edwards and Haime 1848 stony coral
? author not sure
 Scleractinia - Agariciidae
"Trochoseris catadupensis" = Trochoseris aperta, Vaughanoseris catadupensis
"Trochoseris catadupensis" = Trochoseris aperta Duncan 1864 stony coral
Vaughanoseris catadupensis Wells 1934 stony coral
 Scleractinia - Actinacididae
Actinacis indet. d'Orbigny 1849 stony coral
Echinoidea
 Arbacioida - Arbaciidae
Bivalvia
 Hippuritida - Radiolitidae
 Hippuritida - Plagioptychidae
 Hippuritida - Antillocaprinidae