Woodring Loc. 140 - eastern area [middle Gatun Fm] (Miocene of Panama)

Where: Panama (9.3° N, 79.8° W: paleocoordinates 9.1° N, 78.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• Middle part of the Gatun Formation. The Gatun Formation is subdivided into three faunal zones (proposed by Thomson and Keen, 1946): lower, middle, and upper. AGE: Late Miocene, on the basis of microfossil biostratigraphy (see Collins and Coates, 1999), refined by enterer to Tortonian based on more recent dating (Hendy, 2012). Sr dating for nearby sections indicates an age of approximately 10.6 Ma (Hendy, unpublished data).

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, fine-grained, silty sandstone

• No specific environmental data presented.
• LITHOLOGY: Soft, silty fine-grained sandstone.

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: USNM.

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 93166: authorized by Austin Hendy, entered by Austin Hendy on 06.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropods and bivalves. NOMENCLATURE: Authoritative publications, with modern nomenclature, and species-resolution identifications.
Gastropoda
 Cerithioidea - Turritellidae
Turritella (Torcula) gatunensis Conrad 1857 turret shell
SUBSPECIES: Turritella gatunensis gatunensis
 Neogastropoda - Columbellidae
Anachis (Costoanachis) mira3 Dall 1896 snail
SUBSPECIES: Anachis (Costoanachis) mira fugax
 Neogastropoda - Terebridae
Terebra (Panaterebra) cucurrupiensis4 Oinomikado 1939 auger snail
Terebra (Oreoterebra) subsulcifera4 Brown and Pilsbry 1911 auger snail
 Neogastropoda - Turbinellidae
"Xancus dodonaius" = Turbinella5, "Xancus validus" = Turbinella valida3
"Xancus dodonaius" = Turbinella5 snail
SUBSPECIES: Xancus dodonaius praelaeviagtus
"Xancus validus" = Turbinella valida3 Sowerby 1850 snail
SUBSPECIES: Xancus validus falconensis
 Neogastropoda - Cancellariidae
Bivetiella dariena1, "Cancellaria (Charcolleria) terryi" = Massyla terryi4
Bivetiella dariena1 Toula 1908 snail
SUBSPECIES: Cancellaria (Cancellaria) epistomifera dariensis
"Cancellaria (Charcolleria) terryi" = Massyla terryi4 Olsson 1942 snail
 Sorbeoconcha - Naticidae
Polinices stanislasmeunieri Maury 1917 moon snail
Bivalvia
 Arcida - Arcidae
Anadara (Rasia) dariensis5 Brown and Pilsbry 1911 ark
 Pectinida - Pectinoidae
Lindapecten buchivcanoanus2, "Flabellipecten gatunensis" = Leopecten gatunensis6
"Flabellipecten gatunensis" = Leopecten gatunensis6 Toula 1909 scallop
SUBSPECIES: Flabellipecten gatunensis gatunensis
 Ostreida - Ostreidae
Ostrea equestris6 Say 1834 oyster
SUBSPECIES: Ostrea equestris heothina
 Pholadida - Corbulidae
Caryocorbula prenasuta6 Olsson 1964 clam
Varicorbula islatrinitatis6 Maury 1925 clam
 Cardiida - Veneridae
"Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis6 Dall 1903 venus clam
Clementia (Clementia) dariena6 Conrad 1855 venus clam
SUBSPECIES: Clementia (Clementia) dariena dariena
Cyclinella cyclica6 Guppy 1866 venus clam
Chione (Chionopsis) tegulum6 Brown and Pilsbry 1911 venus clam
 Cardiida - Cardiidae
"Trigoniocardia (Apiocardia) aminensis" = Trigoniocardia (Trigoniocardia) aminensis6 Dall 1900 cockle
 Cardiida - Tellinidae
Psammacoma gatunensis6 Toula 1909 tellin clam