Dainichi_Formation Knowpia

The Dainichi Formation is a palaeontological formation located in Shizuoka, Japan. The formation is part of the Kakegawa Group.^[1] It dates to the Upper Pliocene period.^[2] The shell beds in the Dainichi formation contain molluscan fossils, including those of the Rhizoconus hyaena.^[3]^[4]

References edit

^ Ryuichi Majima; Takashi Homme (August 1993). "Shell-concentrated bed of the Dainichi Formation of the Kakegawa Group. Its fabric and origin" (PDF). Journal of the Geological Society of Japan (in Japanese). 99 (8): 659–674. doi:10.5575/geosoc.99.659. Retrieved 2022-12-30.
^ Susumu Tonida; Masahiro Shiba; Takami Nobuhara (February 2006). "First post-Miocene Argonauta from Japan, and its Palaeontological Significance" (PDF). Cainozoic Research.
^ Yuri Kimura; Yoshiharu Yokoyama; Hiromichi Hirano (September 2011). "Stratigraphic trends in molluscan paleoecology in storm-generated shell beds from the lower shoreface deposits of the Pliocene Dainichi Formation, Kakegawa Group, central Japan". Fossils (90): 5–15. Retrieved 2022-12-30.
^ Nobuhara, T.; Tanaka, T. "A new subspecies of Rhizoconus hyaena (Caenogastropoda: Conidae) from the upper pliocene Dainichi formation, Shizuoka prefecture, central Japan". Japanese Journal of Malacology.