NMB Loc. 12814 - Esmeraldas [Borbon Fm]: Middle Miocene, Ecuador
collected by Jung 1971

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Cardiida - Veneridae
1 specimen
Bivalvia - Arcida - Arcidae
Anadara sp. Gray 1847
4 specimens
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
11 specimens
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
13 specimens
Gastropoda - Naticidae
Neverita sp. Risso 1826
2 specimens
Polinices sp. Monfort 1810
5 specimens
Gastropoda - Neogastropoda - Conidae
1 specimen
Gastropoda - Neogastropoda - Melongenidae
Melongena sp. Schumacher 1817
3 specimens
see common names

Geography
Country:Ecuador
Coordinates: 0.9° North, 79.9° West (view map)
Paleocoordinates:1.8° North, 76.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
Key time interval: Middle Miocene
Age range of interval: 15.98 - 11.63 m.y. ago
Stratigraphy
Formation:Borbon
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Borbon Fm, which is regionally overlain by the Esmeraldas Fm (Pliocene). AGE: Middle Miocene, on the basis of microfossil biostratigraphy; nannofossil zones N11-13; planktonic zones N13-N14. STRATIGRAPHIC POSITION: Molluscs in lenses, 2-3 m above high tide, partly in crossbedded layers. In conglomerates, mostly pectinids, in sandstones, Turritella and large Modiolus.
Lithology and environment
Primary lithology:"cross stratification",shelly/skeletal conglomerate
Secondary lithology:"cross stratification",shelly/skeletal sandstone
Includes fossils?Y
Includes fossils?Y
Lithology description: LITHIFICATION: Unknown. LITHOLOGY: Molluscs in lenses, 2-3 m above high tide, partly in crossbedded layers. In conglomerates, mostly pectinids, in sandstones, Turritella and large Modiolus.
Environment:coastal indet.
Geology comments: No paleoenvironmental data provided.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),survey of museum collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:NMB
Collectors:Jung Collection dates:1971
Collection method comments: COLLECTOR: P. Jung, 1971. REPOSITORY: Naturhistorisches Museum Basel, Switzerland (NMB).
Taxonomic list comments:NOMENCLATURE: Authoritative publication, with species-resolution identifications, and modern nomenclature. COVERAGE: Limited to taxa described in text.
Metadata
Also known as:PJ 0953
Database number:134906
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2012-10-18 15:25:42 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2014-10-18 15:25:42
Creative Commons license:CC0
Reference information

Primary reference:
42438. P. Jung. 1989. Unpublished notes on Caribbean collection of the Naturhistorisches Museum Basel. [A. Hendy/A. Hendy]