PERMIAN AMMONOIDS PROSTACHEOCERS AND PERRINITES FROM THE SOUTHERN KITAKAMI MASSIF, NORTHEAST JAPAN

• Published in: Journal of paleontology Vol. 79; no. 6; pp. 1222 - 1228
• Main Authors: EHIRO, MASAYUKI, HASEGAWA, HITOSHI, MISAKI, AKIHIRO
• Format: Journal Article
• Language: English
• Published: New York, USA Cambridge University Press 01.11.2005; Paleontological Society
• Subjects: Ammonoidea; Asia; biostratigraphy; Cephalopoda; Far East; Fauna; Fossils; Genera; Geological time; Geology; Honshu; Invertebrata; invertebrate; Iwate Japan; Japan; Kitakami Mountains; Kungurian; Limestones; lithostratigraphy; Massifs; Mollusca; morphology; Mudstone; paleogeography; PALEONTOLOGICAL NOTES; Paleontology; Paleozoic; Permian; Perrinites vidriensis; Prostacheoceras; Sandstones; shells; Social evolution; Sotokawame Formation; Stratigraphy; sutures; Synonyms; Tassobe Japan; Tethys; Tetrabranchiata; Japan, Honshu, Iwate Prefect., Kitakami

Permian shallow marine strata are widely distributed in the Southern Kitakami Massif, Northeast Japan. They yield many marine fossils and have been well studied both stratigraphically and biostratigraphically. However, the geological age of the upper part of the Permian in the Tassobe district, loca...