Morne Diabo and Quinam Limestones: Late/Upper Oligocene, Trinidad and Tobago

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Turritellidae
Turritella aff. wiedenmayeri
Gastropoda - Cassidae
Cassis cf. sulcifera Sowerby 1850
Bivalvia - Mytilida - Mytilidae
Lithophaga nigra (d'Orbigny 1845)
Bivalvia - Pectinida - Pectinidae
Amussium aff. lyonii
corrected as Amusium
Pecten (Lyropecten) aff. condylomaius
original and current combination Lyropecten
Bivalvia - Pholadida - Teredinidae
"Kuphus" aff. incrassatus Gabb 1873
Bivalvia - Lucinida - Lucinidae
Phacoides (Miltha) aff. hillsboroensis (Heilprin 1887)
original and current combination Miltha hillsboroensis
Lepidocyclinidae
Lepidocyclina (Lepidocyclina) forresti
Lepidocyclina (Lepidocyclina) giraudi
Lepidocyclina (Lepidocyclina) cornellei
Lepidocyclina (Lepidocyclina) parvula
Lepidocyclina (Lepidocyclina) pancanalis
Nummulitidae
Operculinoides semmesi
synonym of Nummulites
Operculinoides bullbrooki
synonym of Nummulites
Globothalamea - Rotaliida - Miogypsinidae
Miogypsina hawkinsi
Miogypsina bramletti
Miogypsina aff. primitiva
Miogypsina mexicana
Miogypsina staufferi
see common names

Geography
Country:Trinidad and Tobago
Coordinates: 10.1° North, 61.5° West (view map)
Paleocoordinates:9.0° North, 56.7° West
Basis of coordinate:based on nearby landmark
Geographic resolution:basin
Time
Period:Paleogene Epoch:Oligocene
Stage:Chattian 10 m.y. bin:Cenozoic 4
Key time interval:Late/Upper Oligocene
Age range of interval:27.82000 - 23.03000 m.y. ago
Stratigraphy
Formation:Morne Diablo Limestone
Stratigraphic resolution:member
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the "Morne Diablo" and "Quinam" limestone, which appear to be lateral equivalents of the Cipero Marl and San Fernado Fm. AGE: Late Oligocene on the basis of large foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within these units
Lithology and environment
Primary lithology: lithified "limestone"
Includes fossils?Y
Lithology description: LITHOLOGY: Not stated, but presumably a limestone on the basis of lithostratigraphic name. LITHIFICATION: Lithified, based on facies description.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Fauna appears relatively shallow.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection method comments: COLLECTORS: Multiple collectors including R. Rutsch, Vaughn, Cole, and C.M.B. Caudri. REPOSITORY: Unknown.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Not an authoritative publication, with rather antiquated nomenclature, though with identifications made to species resolution.
Metadata
Database number:93368
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2010-01-15 08:23:36 Last modified:2013-11-25 13:37:23
Access level:the public Released:2010-01-15 08:23:36
Creative Commons license:CC BY
Reference information

Primary reference:

31588. R. M. Stainforth. 1948. Description, correlation, and paleoecology of Tertiary Cipero Marl, Trinidad, BWI. Bulletin of the American Association of Petroleum Geologists 32(7):1292-1330 [A. Hendy/A. Hendy]