PPP# 397 - Butchuqua [Nancy Point Fm] (Miocene of Panama)

Also known as NMB Loc. 17859; 88-41-01

Where: Bocas, Panama (9.1° N, 81.8° W: paleocoordinates 9.5° N, 80.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Nancy Point Formation (Bocas del Toro Group), Messinian (7.2 - 5.3 Ma)

• LITHOSTRATIGRAPHY: the Nancy Point Fm is conformable with the Tobabe Fm below and the Shark Hole Point Fm above. AGE: from Collins et al. (1999), an age range of 8.2-5.6 Ma, Late Miocene, though PPP dataset indicates an age of 6.5-5.6 Ma. STRATIGRAPHIC POSITION: From 1474 m in section 12 of Collins et al. (1999).

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, bioturbated, shelly/skeletal, silty sandstone and poorly lithified, shelly/skeletal, argillaceous, carbonaceous siltstone

• ENVIRONMENT: from Collins et al. 1999 (p. 94), outer neritic, estimated depth of 175 m.
• GENERAL LITHOLOGY: from Collins et al. 1999 (p. 27), consists of massive, pervasively bioturbated, shelly, muddy, and silty sandstone, muddy siltstone, with scattered molluscs, leaves, and plant fragments.

Size class: macrofossils

Collected by Jung et al. in 1988; reposited in the NMB

Collection methods: bulk, sieve,

• COLLECTORS: unknown (PPP staff), 6/6/88. 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 135887: authorized by Austin Hendy, entered by Austin Hendy on 12.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda, bivalvia and scaphopoda. NOMENCLATURE: modern nomenclature, though only identified to subgenus resolution.
Gastropoda
 Trochoidea - Turbinidae
 Pseudomelanoidea - Pseudomelaniidae
Compsodrillia sp.1 Woodring 1928 snail
Miraclathurella sp.1 Woodring 1928 snail
 Neogastropoda - Buccinidae
Amarophos sp.1 Woodring 1964 true whelk
 Neogastropoda - Clathurellidae
Glyphostoma (Euglyphostoma) sp.1 Woodring 1970 snail
 Neogastropoda - Turridae
Polystira sp.1 Woodring 1928 turrid
 Neogastropoda - Cancellariidae
Sveltia zahni2 Böse 1910 snail
Admetula valientensis2 Landau et al. 2012 snail
 Sorbeoconcha - Cassidae
Echinophoria hadra1 Woodring and Olsson 1957 snail
 Sorbeoconcha - Naticidae
Polinices sp.1, "Natica (Naticarius) sp." = Naticarius1
Polinices sp.1 Monfort 1810 moon snail
"Natica (Naticarius) sp." = Naticarius1 Dumeril 1806 moon snail