Punta Espada, La Guajira [Yuruma Fm] (Cretaceous of Colombia)

Where: Colombia (12.1° N, 71.1° W: paleocoordinates 10.3° N, 40.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Yuruma Formation, Hauterivian (132.9 - 129.4 Ma)

• STRATIGRAPHIC RELATIONS: From the Yuruma Fm, for which lithostratigraphic relationships are not reported. AGE: Hauterivian, on the basis of Exogyra reedi. STRATIGRAPHIC POSITION: List representative of local area and lower part of the Yuruma Fm.

• member-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• SPECIFIC LITHOLOGY: Not translated. LITHIFICATION: Unknown.

Size class: macrofossils

Collected by Renz

Collection methods: surface (in situ),

• COLLECTOR: O. Renz. REPOSITORY: Unknown.

Primary reference: H. Bürgl. 1960. Geologia de la Peninsula de la Guajira. Boletin Geologico 6(1-3):129-168 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 97672: authorized by Austin Hendy, entered by Austin Hendy on 22.08.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not exhaustive, but fairly comprehensive. NOMENCLATURE: Somewhat antiquated nomenclature, but with species-resolution identifications.
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Echinoidea
 Spatangoida - Toxasteridae
Toxaster roulinae
Toxaster roulinae heart urchin
Rhynchonellata
 Terebratulida - Terebratulidae
Terebratula tamaulipana
Polychaeta
 Spiomorpha -
Sabellaria sp.
Cephalopoda
 Ammonitida - Olcostephanidae
Olcostephanus astierianus
Olcostephanus astierianus d'Orbigny 1840 ammonite
Bivalvia
 Ostreida - Gryphaeidae
Exogyra reedi
Exogyra reedi Imlay 1937 oyster
 Arcida - Cucullaeidae
Cucullaea sp.
Cucullaea sp. Lamarck 1801 clam
 Lucinida - Lucinidae
Lucina porrecta
 Trigoniida - Trigoniidae
Trigonia hondaana
Foraminifera
 Loftusiacea - Cyclamminidae
Choffatella sogamosae