SD04, Sada Limestone (Cretaceous to of Japan)

Where: Kochi, Japan (33.0° N, 132.9° E: paleocoordinates 41.0° N, 122.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nakamura Formation (Shimantogawa Group), Campanian to Campanian (83.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• Cold seep in turbidite deposits

Size class: macrofossils

Preservation: mold/impression

Primary reference: T. Nobuhara, D. Onda, T. Sato, H. Aosawa, T. Ishimura, A. Ijiri, U. Tsunogai, N. Kikuchi, Y. Kondo and S. Kiel. 2016. Mass occurrence of the enigmatic gastropod Elmira in the Late Cretaceous Sada Limestone seep deposit in southwestern Shikoku, Japan. Palaeontologische Zeitschrift 90:701-722 [W. Kiessling/M. Krause/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 183420: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 20.12.2016, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Hokkaidoconchidae
Humptulipsia nobuharai n. sp. Kaim et al. 2014 snail
  -
Elmira shimantoensis Nobuhara et al. 2016 snail
Bivalvia
 Lucinida - Thyasiridae