TBC-1, Tambac Bay (Pleistocene of Philippines)

Where: Pangasinan, Philippines (16.3° N, 119.9° E: paleocoordinates 16.3° N, 119.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Santa Cruz Formation, Calabrian (1.8 - 0.8 Ma)

• Micropalaeontological evidence for date, age-diagnostic species Reticulofenestra asano.

• group of beds-level stratigraphic resolution

Environment/lithology: submarine fan; unlithified, bioturbated, sandy siltstone

• Shuto (1983, 1986) postulated that the siltstone beds in this area were deposited at a depth of ca. 300 m based on the lithology and associated fossil mollusks.
• The sediment exposed at this site consists of bioturbated, unconsolidated sandy siltstone, gently dipping to the west. Well preserved mollusks occur sporadically in the siltstone beds at this site as well as in beds exposed along the shore and in sea cliffs around the Tambac Bay area.

Size class: macrofossils

Preservation: original aragonite

Collected by De Ocampo, Wani et al. in the 1979, 2000s

Collection methods: surface (in situ),

• The specimen described here was collected by De Ocampo in 1979, and is found in the collection of the National Museum of the Philippines at Manila. Recent- ly, Aguilar, Zepeda, Kurihara, Kase, and Wani surveyed the stratigraphic position of the unit that yielded the specimen, and Hagino and Hayashi analyzed nannofos- sils and planktonic foraminifers to determine the age of the unit.

Primary reference: R. Wani, R. S. P. De Ocampo, Y. M. Aguilar, M. A. Zepeda, Y. Kurihara, K. Hagino, H. Hayashi and T. Kase. 2008. First discovery of fossil Nautilus pompilius Linnaeus, 1758 (Nautilidae, Cephalopoda) from Pangasinan, northwestern Philippines. Paleontological Research 12(1):89-95 [A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107988: authorized by Alistair McGowan, entered by Alistair McGowan on 20.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Specimen number NMP-491B
 Globigerinoidea - Globigerinidae
 Globigerinoidea - Globorotaliidae
"Globorotalia tosaensis" = Globorotalia (Truncorotalia) tosaensis
"Globorotalia tosaensis" = Globorotalia (Truncorotalia) tosaensis Takayanagi and Saito 1962
 Nautilida - Nautilidae
Nautilus pompilius Linnaeus 1758 pearly nautilus