Where: Trinidad and Tobago (10.3° N, 61.5° W: paleocoordinates 9.0° N, 56.3° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Flat Rock Member (San Fernando Formation), Oligocene (33.9 - 23.0 Ma)
• STRATIGRAPHIC RELATIONS: From the informal "Bamboo Marl" [=Flat Rock tongue Mbr of the San Fernando Fm], which is a letarl equivalent of the Cipero Marl (Oligocene). AGE: Middle-Late Oligocene on the basis of large foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From the "Bamboo Clay, which separates Zones I and II of the San Fernando Fm.
• member-level stratigraphic resolution
Environment/lithology: offshore; lithified claystone
Size classes: macrofossils, microfossils
Collection methods: COLLECTORS: Multiple collectors, including R. Rutsch (macrofossils), Vaughn, Cole, and Caudri (forams). . REPOSITORY: Unknown.
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 93365: authorized by Austin Hendy, entered by Austin Hendy on 15.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Lepidocyclina (Lepidocyclina) supera, Lepidocyclina (Lepidocyclina) yurnagunensis, Lepidocyclina (Eulepidina) favosa, Lepidocyclina (Eulepidina) undosa, Lepidocyclina (Lepidocyclina) parvula, Lepidocyclina (Lepidocyclina) aff. canellei, Lepidocyclina (Pliolepidina) subglobosa, Lepidocyclina (Lepidocyclina) waylandvaughani, Lepidocyclina (Eulepidina) gigas
| |
"Operculinoides semmesi" = Nummulites
"Operculinoides semmesi" = Nummulites | |
Gastropoda | |
"Turritella aff. altilira" = Turritella (Bactrospira) altilira
"Turritella aff. altilira" = Turritella (Bactrospira) altilira Conrad 1857 turret shell | |
Scaphopoda | |
"Dentalium (Antalis) aff. mississippiensis" = Dentalium (Antalis) mississippiense
"Dentalium (Antalis) aff. mississippiensis" = Dentalium (Antalis) mississippiense Conrad 1848 tusk shell | |
Cadulus caronensis Mansfield 1925 tusk shell | |
Bivalvia | |
"Limopsis (Pectunculina) subangularis" = Limopsis
"Limopsis (Pectunculina) subangularis" = Limopsis clam SUBSPECIES: Limopsis (Pectunculina) subangularis friscknechti
| |
"Propeamussium (Parvamussium) bronni" = Propeamussium duodecimlamellatum bronni
"Propeamussium (Parvamussium) bronni" = Propeamussium duodecimlamellatum bronni Mayer 1861 mud scallop SUBSPECIES: Propeamussium (Parvamussium) bronni pennyi
| |
Acila (Truncacila) schomburgki divaricate nutclam |