Sample 50, Locality B, La Boca Fm.: Early Miocene, Panama

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
2 %-specimens
informal Fern sp. microspore
2.5 %-specimens
monolete spore
Maricaria sp. microspore
1 %-specimens
2.5 %-specimens
Crudia sp. microspore
1 %-specimens
Dinophyceae - Gonyaulacales - Gonyaulacaceae
1 %-specimens
unclassified
10 %-specimens
Angiospermae - Malpighiales - Rhizophoraceae
74 %-specimens
Angiospermae - Malpighiales - Malpighiaceae
Malpighiaceae indet. microspore de Jussieu 1789
1 %-specimens
Angiospermae - Gentianales - Rubiaceae
1 %-specimens
Angiospermae - Ericales - Tetrameristaceae
2 %-specimens
Polypodiopsida - Polypodiales - Pteridaceae
2 %-specimens
see common names

Geography
Country:Panama
Coordinates: 9.1° North, 79.7° West (view map)
Paleocoordinates:
Basis of coordinate:stated in text
Altitude:53 meters
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
*Period:Middle Tertiary *Epoch:Early/Lower Miocene
Key time interval: Early Miocene
Age range of interval: 23.04 - 15.98 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:La Boca
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: mudstone
Secondary lithology: siltstone
Includes fossils?Y
Includes fossils?Y
Environment:estuary/bay
Taphonomy
Modes of preservation:body,original sporopollenin
Size of fossils:microfossils
Spatial orientation:random
Preservation of anatomical detail:excellent
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:core,chemical,mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:32338
Authorizer:E. Kowalski Enterer:E. Kowalski
Modifier:E. Kowalski Research group:paleobotany
Created:2003-06-25 13:49:17 Last modified:2025-02-22 15:12:02
Access level:the public Released:2003-06-25 13:49:17
Creative Commons license:CC0
Reference information

Primary reference:

8708. A. Graham. 1989. Studies in neotropical paleobotany. VII. The Lower Miocene communities of Panama - the La Boca Formation. Annals of the Missouri Botanical Garden 76:50-66 [E. Kowalski/E. Kowalski/E. Kowalski]