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Akaiwa Subgroup

• Type locality: Akaiwa, Hakusan city, Ishikawa prefecture
• Coherent formation
• Early Cretaceous

• Sedimentary facies: Terrestrial

• Upper limit: Unconformity (Omichidani Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Hakusan city, Ishikawa pref.
• Fossils (Upper): Kitadani flora, Tamodani flora
• Fossils (Lower): Akaiwa flora
• Fossils (Footprints, Theropods): Byakudansauropus shiraminensis
• Fossils (Footprints, Ornithopods): Caririchnium sp.

• Sakai et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.3, pp.171-189 DOI
• Hirasawa et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.103-121 DOI