NMB 18535 - Rio Tuquesa [Tuira Fm] (Miocene of Panama)

Where: Darien, Panama (8.5° N, 77.7° W: paleocoordinates 8.2° N, 76.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tuira Formation (Lara Group), Tortonian (11.6 - 7.2 Ma)

• STRATIGRAPHIC RELATIONS: From Tuira Fm, for which lithostratigraphic relationships are not discussed. AGE: Middle Miocene, in text; subsequent publications suggest late Miocene or early Pliocene age; Coates et al. (2004) suggests a Tortonian age (11.2-8.3 Ma). STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

• ENVIRONMENT: Shallow marine fauna.
• SPECIFIC LITHOLOGY: Not reported in text. LITHIFICATION: Unknown.

Size class: macrofossils

Reposited in the NMB

Collection methods: bulk, surface (float), surface (in situ), sieve,


Primary reference: A. G. Beu. 2010. Neogene Tonnoidean Gastropods of Tropical and South America; contributions to the Dominican Republic and Panama Paleontology Projects and Uplift of the Central American Isthmus. Bulletins of American Paleontology (377-378)1-550 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136311: authorized by Austin Hendy, entered by Austin Hendy on 25.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to gastropoda mentioned in text. Does not include other mollusca. NOMENCLATURE: Authoritative publication, with modern nomenclature and including systematic revision of other neighboring Caribbean assemblages.
 Tonnoidea - Ranellidae
Monoplex panamensis Beu 2010 triton shell
 Tonnoidea - Tonnidae
Malea ringens Swainson 1822 tun shell