Trace fossils from the Cretaceous flysch of the Ikushumbetsu area, Hokkaido, Japan.
Series: Geological Survey of Japan. Report; no. 242; Report (Chishitsu Chōsajo (Japan)) ;; no. 242.
Publisher: Geological Survey of Japan
Published: 1971
Place of publication: [Kawasaki-shi, Japan
Language: eng
Number of pages: 29
Subjects: Trace fossils -- Japan -- Hokkaido.; Paleontology -- Cretaceous.; Flysch -- Japan -- Hokkaido.
Notes: Bibliography: p. 27-31.
Summary in Japanese.