Gatun Locks [upper Gatun Fm] (Miocene of Panama)

Where: Panama (9.3° N, 79.9° W: paleocoordinates 9.1° N, 78.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: upper Gatun Member (Gatun Formation), Tortonian (11.6 - 7.2 Ma)

• STRATIGRAPHIC RELATIONS: From the Gatun Fm, which regionally overlies the Caimito Fm or Mesozoic basement. AGE: Late Miocene. STRATIGRAPHIC POSITION: From middle-upper member of the Gatun Formation according to the author; the enterer considers this to be the upper member of the Gatun Formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, shelly/skeletal, sandy siltstone

• ENVIRONMENT: Shallow-marine, siliciclastic environment.
• SPECIFIC LITHOLOGY: Sandy mudstone. LITHIFICATION: Poorly-lithified, based on observations of material.

Size class: macrofossils

Preservation: original aragonite

Collected by Landau; reposited in the NHMW

Collection methods: surface (in situ),


Primary reference: B. Landau, R. E. Petit, and C. M. Silva. 2012. New Cancellariidae (Mollusca, Gastropoda) from the Miocene Gatun Formation of Panama, with eleven new species. Journal of Paleontology 86(6):907-930 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136015: authorized by Austin Hendy, entered by Austin Hendy on 15.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to Cancellariidae in text, and subsequent publications. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications.
 Neogastropoda - Cancellariidae
Euclia alacertata n. sp. Landau et al. 2012 snail
Ventrilia coatesi n. sp. snail