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Sukubo Formation

• Coherent formation
• Cretaceous

• Sedimentary facies: Marine

• Distribution: Oita pref.
• Fossils (Bivalves): Neithea matsumotoi, Yabea akatsui

• Terabe and Matsuoka (2009) Jour. Geol. Soc. Japan, vol.115, no.3, pp.130-140 DOI