Woodring Loc. 71 - Madden Basin [Emperador Limestone] (Miocene of Panama)

Also known as USGS Loc. 16945

Where: Panama (9.1° N, 79.6° W: paleocoordinates 8.1° N, 77.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Emperador Limestone Member (Culebra Formation), Aquitanian (23.0 - 20.4 Ma)

• LITHOSTRATIGRAPHY: From the Emperador Limestone Member of the La Boca Formation. Orginally placed in Caimito, but emended by Woodring (1970), and then Kirby et al. (2009). AGE: Early Miocene in text; direct date extrapolated from Kirby et al. (1999), =Aquitanian.

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

• No paleoenvironmental data reported.
• Limestone

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

• Collected by Schultz and Woodring (1947). 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.

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 42603: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for gastropoda.
Gastropoda
 Neogastropoda - Turbinellidae
"Xancus cf. validus" = Turbinella valida2
"Xancus cf. validus" = Turbinella valida2 Sowerby 1850 snail
 Sorbeoconcha - Ficidae
Ficus cf. carbesea1 fig shell
Subspecies: Ficus cf. carbesea micronematica
 Sorbeoconcha - Cypraeidae
"Cypraea cf. chilona" = Loxacypraea chilona1
"Cypraea cf. chilona" = Loxacypraea chilona1 Dall 1900 cowry
 Sorbeoconcha - Thersiteidae
Orthaulax cf. pugnax1 Heilprin 1887 snail
Bivalvia
 Cardiida - Veneridae
"Macrocallista (Paradione) maculata" = Macrocallista maculata3, Dosinia (Dosinia) delicatissima3
"Macrocallista (Paradione) maculata" = Macrocallista maculata3 Linnaeus 1758 venus clam
Dosinia (Dosinia) delicatissima3 Brown and Pilsbry 1913 venus clam
 Cardiida - Cardiidae
Trachycardium (Dallocardia) dominicense3 Gabb 1873 cockle
SUBSPECIES: Trachycardium (Dallocardia) dominicense dominicense
 Cardiida - Tellinidae
Tellina sp.3 Linnaeus 1758 tellin clam
 Ostreida - Gryphaeidae
Hyotissa polylopha3 Woodring 1982 oyster
 Pectinida - Pectinoidae
Flabellipecten antiguensis3 Brown 1913 scallop
Spondylus scotti3 Brown and Pilsbry 1913 scallop