ammonites
"Fossil Wall", Kuwajima (Cretaceous of Japan)

Also known as Shiramine tracksite

Where: Ishikawa, Japan (36.2° N, 136.6° E: paleocoordinates 43.6° N, 138.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kuwajima Formation (Tetori Group), Berriasian (145.5 - 140.2 Ma)

• Itoshiro Subgroup

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone and shale

• Environmental changes from brackish to non-marine conditions.
• Alternating sequence of sandstone and shale units.

Size class: macrofossils

Preservation: cast

Collected by Takeyama, Azuma & Araki in 1981-1985

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: M. Manabe, Y. Hasegawa, and Y. Azuma. 1989. Two new dinosaur footprints from the Early Cretaceous Tetori Group of Japan. In D. D. Gillette and M. G. Lockley (eds.), Dinosaur Tracks and Traces. Cambridge University Press, Cambridge 309-312 [M. Carrano/K. Maguire/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52177: authorized by Matt Carrano, entered by Kaitlin Maguire on 28.07.2005, edited by Matt Carrano