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Inotani Formation Imamura, 1937
Invalid synonym: Inotani Alternation Member, Inotani Alternation of Sandstone and Shale Member, Oritate Conglomerate, Kumano-gawa Alternation of Shale and Sandstone, Unohana Alternation of Sandstone and Shale, Kubusu Conglomerate and Sandstone Formation, Ariminenishitani Formation, Atotsugawa Formation, Nagatogawa Formation
- Type locality: Jinzu river, Inodani, Toyama city, Gifu prefecture
- Coherent formation
- Early Cretaceous, Aptian - Albian (121.9 - 102.6 Ma, FT)
- Sedimentary facies: Terrestrial
- Sedimentary facies: Outer fan of alluvial fan, Fluvial
- Sedimentary facies: Gravelly fluvial, Flood plain, Crevasse-splay deposit, Natural levee
- Lithofacies: Sandstone-dominant interbedded sandstone and mudstone
- Lithofacies (Minor): Mudstone, Tuffaceous sandstone, Conglomerate
- Sedimentary structures: Cross-stratification (Rare)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Sengoku river - Kurokawa river - Nagato river - Higashimata valley - Nishisakamori valley, Tateyama city, Toyama pref.; Magawa river - Kiridani - Jinzugawa river, Toyama city, Toyama pref.; Kitanomata river - Minamimata valley, Takayama city, Gifu pref.; Morimo, Kamioka, Hida city, Gifu pref.
- Fossils: Fish scales, Turtles (Shell)
- Fossils (Tetori-type flora): Adiantites sewardi, Cladophlebis argutula, Cladophlebis browniana, Cladophlebis denticulata, Cladophlebis distans, Cladophlebis exiliformis, Cladophlebis lobifolia, Coniopteris cfr. hymenophylloides, Czekanowskia rigida, Dictyozamites? sp., Equisetites ushimarensis, Ginkgoidium cf. nathorsti, Ginkgoites digitata, Marchantiles yabei, Nilssonia kotoi, Nilssonia orientalis, Onychiopsis elongata, Pityophyllum pachyrachis, Podozamites distans, Podozamites cf. griesbachi, Podozamites lanceolatus, Podozamites reinii, Ruffordia goepperti, Sagenopteris? sp., Sequoia sp., Sphenopteris cf. nitidula, Xenoxylon latiporosum?
- Fossils (Bivalves, Freshwater): Nakamuranaia sp., Pseudohyria sp.
- Fossils (Footprints): Toyamasauripus masuiae Matsukawa, Theropoda, Omithopoda
- Fossils (Trace): Burrows
- Matsukawa et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.6, pp.201-217 DOI
- Matsukawa et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.5, pp.147-164 DOI
- Hirasawa et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.103-121 DOI
- Nozawa et al. (1981) Geology of the Shirokimine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 10p.)
- Sakamoto and Nozawa (1960) Yatsuo, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 8p.)
- Nozawa and Sakamoto (1960) Gohyakkoku, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 68p. (in Japanese with English abstract 10p.)
- Kawai and Nozawa (1958) Higashimozumi, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 76p. (in Japanese with English abstract 10p.)