Chutung (Pliocene of Taiwan)

Where: Hsinchu-Hsien, Taiwan (24.6° N, 121.0° E: paleocoordinates 24.7° N, 120.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cholan Formation, Zanclean (5.3 - 3.6 Ma)

• Based on mollusc and foram occurences, early Pliocene age

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; gray, yellow mudstone and yellow sandstone

• wave-dominated estuary, meandering and sandy braided river environment during upper Cholan
• Comprised of beds of loose yellowish brown sandstones and blue-gray mudstones (fossils from mudstones).

Size classes: macrofossils, mesofossils, microfossils

Collection methods: surface (in situ),

Primary reference: T. Huang. 1966. A new species of a whale tympanic bone from Taiwan, China. Transactions and Proceeedings of the Paleontological Society of Japan 61:183-187 [W. Clyde/J. Finarelli/W. Clyde]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 13488: authorized by Will Clyde, entered by John Finarelli on 03.04.2002, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Paper states that "other fossil bones" and "miscelaneous plant fossils" are also present
unclassified
  -
Foraminifera
 Foraminifera -
Foraminifera indet. foram
several species
Nodosariata
 Vaginulinida - Vaginulinidae
 Polymorphinida - Polymorphinidae
Globothalamea
 Rotaliida - Nonionidae
Foraminifera
 Rotalioidea - Ammoniidae
 Rotalioidea - Elphidiidae
Elphidium advenum Cushman 1922
 Lituolida - Lituolidae
  -
 Globigerinoidea - Globigerinidae
Orbulina universa d'Orbigny 1839
Globigerina sp. d'Orbigny 1826
Globigerina bulloides d'Orbigny 1826
"Globigerinoides sacculifer" = Trilobatus sacculifer Brady 1877
Tubothalamea
 Miliolida - Hauerinidae
Foraminifera
 Chilostomellacea - Heterolepidae
 Rotaliacea - Rotaliidae
unclassified
  -
Mollusca indet. Linnaeus 1758
several species
Malacostraca
 Decapoda - Galenidae
Galene granulifera Lin 1947 crab
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
Shark Teeth
Mammalia
 Cetacea - Balaenopteridae
Balaenoptera taiwanica n. sp. Huang 1966 rorqual