Falcón [Urumaco Fm] (Miocene of Venezuela)

Where: Venezuela (11.0° N, 69.8° W: paleocoordinates 10.7° N, 68.4° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Urumaco Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• LITHOSTRATIGRAPHY: From the Urumaco Formation, for which lithsotratigraphic relations are not discussed. AGE: Late Miocene in Venezuelan Lexicon; Middle-Late Miocene in Woodring (1982). STRATIGRAPHIC POSITION: From unknown position within section.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• No paleoenvironmental data provided.
• LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided, but assumed to be siliciclastic.

Size class: macrofossils

Collection methods: quarrying,

• COLLECTORS: Unknown. REPOSITORY: Unknown.

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 96488: authorized by Austin Hendy, entered by Austin Hendy on 09.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa miscellaneously mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
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Gastropoda
 Cerithioidea - Turritellidae
Turritella abrupta1, Turritella matarucana, Turritella (Broderiptella) caronensis1, Turritella (Broderiptella) planigyrata1, Turritella (Broderiptella) bifastigata1
Turritella abrupta1 Spieker 1922 turret shell
Turritella matarucana Hodson 1926 turret shell
Turritella (Broderiptella) caronensis1 Mansfield 1925 turret shell
Turritella (Broderiptella) planigyrata1 Guppy 1867 turret shell
Turritella (Broderiptella) bifastigata1 Nelson 1870 turret shell
SUBSPECIES: Turritella (Broderiptella) bifastigiata cartagenensis
 Neogastropoda - Buccinidae
Solenosteira (Fusinosteira) falconensis1
Solenosteira (Fusinosteira) falconensis1 Weisbord 1929 true whelk
 Neogastropoda - Muricidae
"Chicoreus (Chicoreus) venezuelanus" = Chicoreus venezuelanus2
"Chicoreus (Chicoreus) venezuelanus" = Chicoreus venezuelanus2 Hodson and Hodson 1931 murex snail
Bivalvia
 Cardiida - Chamidae
Chama berjadinensis3
Chama berjadinensis3 Hodson 1927 jewel box
 Cardiida - Veneridae
Lirophora (Lirophora) falconensis3, Cyclinella cyclica3
Lirophora (Lirophora) falconensis3 Hodson et al. 1927 venus clam
Cyclinella cyclica3 Guppy 1866 venus clam
 Cardiida - Anatinellidae
Raeta undulata3
Raeta undulata3 Gould 1851 clam
 Cardiida - Tellinidae
Psammacoma gatunensis3
Psammacoma gatunensis3 Toula 1909 tellin clam
 Cardiida - Semelidae
Semele laevis3
Semele laevis3 Sowerby 1833 clam
SUBSPECIES: Semele laevis costaricensis
 Carditida - Carditidae
Pleuromeris acaris3
Pleuromeris acaris3 Dall 1903 clam
 Pectinida - Pectinoidae
Argopecten levicostatus3
Argopecten levicostatus3 Toula 1909 calico scallop
1Landau and Marques da Silva 2010; 2Vokes 1990; 3Woodring 1982