Also known as NMB Loc. 18323
Where: Colon, Panama (9.3° N, 80.0° W: paleocoordinates 9.2° N, 79.1° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Chagres Sandstone Formation, Messinian (7.2 - 5.3 Ma)
• The Chagres Formation sits disconformably on the Gatun Formation: a marked change in lithology and a temporal hiatus characterizes the disconformity. Toro Point Section. AGE: direct date is midpoint for established age range from microfossil biostratigraphy.
• bed-level stratigraphic resolution
Environment/lithology: marine; bioturbated, coarse-grained, volcaniclastic, argillaceous sandstone
Size class: macrofossils
Reposited in the BMNH, NMB, USNM
Collection methods: bulk, sieve,
• COVERAGE: Exhaustive for gastropoda, bivalvia and scaphopoda. COLLECTORS: unknown (PPP staff), 12/8/92. REPOSITORIES:collections presumably held at USNM, BMNH and Naturhistorisches Museum Basel (NMB),
Primary reference: L. S. Collins and A. G. Coates. 1999. A paleobiotic survey of Caribbean faunas from the Neogene of the Isthmus of Panama. Bulletins of American Paleontology (357) [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 79846: authorized by Arnold Miller, entered by Kate Bulinski on 25.03.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
Cotonopsis (Turrina) sp. Jung 1989 snail |