Woodring Loc. 108c - Canal Zone [upper Culebra Fm] (Miocene of Panama)

Also known as USGS Loc. 5859

Where: Panama (9.1° N, 79.7° W: paleocoordinates 8.4° N, 77.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: upper Member (Culebra Formation), Burdigalian (20.4 - 16.0 Ma)

• LITHOSTRATIGRAPHY: From the Culebra Formation, which unconformably overlies the Las Cascadas agglomerate; emended by Kirby et al. (2009) to the upper member of the Culebra Formation. AGE: Early Miocene in text; direct date extrapolated from Kirby et al. (1999), =Burdigalian. STRATIGRAPHIC POSITION: From unknown position within member.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, calcareous sandstone

• No paleoenvironmental data reported.
• Calcareous sandstone

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

• Collected by MacDonald (1911). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Corenell University, PRI, U. Cal. and Cal. Acad. Sci. Locality now unaccessible (submerged).

Primary reference: W. P. Woodring. 1957. Geology and Paleontology of Canal Zone and adjoining parts of Panama. United States Geological Survey Professional Paper 306(A) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42614: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for gastropoda.
Gastropoda
 Neotaenioglossa - Calyptraeidae
Calyptraea cf. centralis Conrad 1841 slipper shell
 Cerithioidea - Turritellidae
"Turritella (? Torcula) amaras" = Torcula
"Turritella (? Torcula) amaras" = Torcula turret shell
 Cerithioidea - Potamididae
Potamides suprasulcatus1 Gabb 1873 horn snail
 Neogastropoda - Melongenidae
Melongena sp.2 Schumacher 1817 snail
 Sorbeoconcha - Hipponicidae
? Hipponix sp. Defrance 1819 hoof shell
 Neritoidea - Neritidae
"Neritina (? Vitta) sp." = Vitta
"Neritina (? Vitta) sp." = Vitta Mörch 1852 snail
Bivalvia
 Arcida - Arcidae
 Cardiida - Mactridae
 Cardiida - Donacidae
Donax sp.4 Linnaeus 1758 clam
 Nuculanida - Nuculanidae
Saccella aff. balboae3 Brown and Pilsbry 1911 pointed nut clam