NMB Loc. 16638 - Rio Areo [Areo Fm] (Oligocene of Venezuela)

Where: Venezuela (9.7° N, 63.8° W: paleocoordinates 8.3° N, 58.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Areo Formation, Oligocene (33.9 - 23.0 Ma)

• LITHOSTRATIGRAPHY: From the Areo Formation, for which lithostratigraphic relations are not discussed. AGE: Late Eocene-Early Miocene; justification unknown; placed in Oligocene following the Venezuelan Stratigraphic Lexicon [http://www.pdv.com/lexico/a49w.htm]. STRATIGRAPHIC POSITION: From unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• ENVIRONMENTS: No paleoenvironmental data provided.
• LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided.

Size class: macrofossils

Collected by Hollis & Hedberg; reposited in the NMB

Collection methods: surface (in situ),

• COLLECTOR: Hollis & Hedberg. REPOSITORY: Naturhistorisches Museum Basel, Switzerland (NMB).

Primary reference: J. Gibson-Smith and W. Gibson-Smith. 2012. Unpublished notes on Caribbean collection of Jack and Winifred Gibson-Smith, Naturhistorisches Museum Basel. [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 134844: authorized by Austin Hendy, entered by Austin Hendy on 17.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Not an authoritative publication, with limited species-resolution identifications, and relatively modern nomenclature. COVERAGE: Representative of molluscan fauna.
Bivalvia
 Arcida - Arcidae
Anadara (Rasia) sp. Gray 1857 ark
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
 Cardiida - Veneridae
"Macrocallista (Megapitaria) maculata" = Macrocallista maculata
"Macrocallista (Megapitaria) maculata" = Macrocallista maculata Linnaeus 1758 venus clam
Gastropoda
 Neogastropoda - Turbinellidae
Turbinella polygonata Heilprin 1887 snail
 Neogastropoda - Turridae
Knefastia sp. Dall 1919 turrid
Polystira sp. Woodring 1928 turrid
 Neogastropoda - Terebridae
Terebra (Strioterebrum) cf. dicheres Woodring 1970 auger snail
 Ficoidea - Ficidae
Ficus sp. Röding 1798 fig shell
 Sorbeoconcha - Turritellidae
Turritella vientoensis Clark and Durham 1946 turret shell
 Architectonicoidea - Architectonicidae
Architectonica nobilis Röding 1798 sundial