20240307
20240307
"Isurus" planus
20240305
Parotodus benedenii (Le Hon, 1871)
| Formations |
| The PD2 parasequence set of the Dainichi Formation: Gelasian, 2.2 - 2.1 Ma Shiba, M., Yokoyama, K., Akao, R., Kase, T., Sanada, R., Shibata, S., Nakamoto, T. and Miyamoto, A. (2007) Sequence stratigraphy and biostratigraphic horizon in the Upper Kakegawa Group. Jubilee Publication in Commemoration of Prof. Kamei Tadao's 80th Birthday, p.219-230. |
| The middle part of the Yonabaru Formation, Shimajiri Group: Planktonic foraminiferal Zone PL2. Zanclean, 4.36 - 3.84 Ma Ujiie, H. and Kaneko, N. (2006) Geology of the Naha and Okinawashi-Nambu Districts. Quadrangle Series, 1:50,000. Geological Survey of Japan, AIST, 48 pp. |
| The basal conglomerates of "Naarai" Formation: Uppermost Messinian to lower Zanclean, Planktonic foraminiferal Zone PL1, 5.51-4.36 Ma Matoba, Y. (1967) Younger Cenozoic foraminiferal assemblages from the Choshi District, Chiba Prefecture. Sci. Rep. Tohoku Univ., 2nd ser. (Geol.), 3(82), p.221-263. |
| Senhata Conglomerate Member, Amatsu Formation: Lower Messinian, 7.10 - 6.71 Ma 7.10 Ma: The last occurence of small Reticulofenestra interval 6.71 Ma: The rapid increase of Stichocorys peregrina Sawada, T., Shindo, R., Motoyama, I. and Kameo, K. (2009) Geology and radiolarian biostratigraphy of the Miocene and Pliocene Series exposed along the Koitogawa River, Boso Peninsula, Japan. Jour. Geol. Soc. Japan, 115(5), p.206 - 222. Kameo, K., Mita, I. and Fujioka, M. (2002) Calcareous nannofossil biostratigraphy of the Amatsu Formation (Middle Miocene to Lower Pliocene), Awa Group, distributed in the central part of the Boso Peninsula, central Japan. Jour. Geol. Soc. Japan, 108(12), p. 813－828. |
| Hirakata Channel T8, Taga G: Diatom subzone 5a, Serravallian, 13.1 -12.7 Ma Yanagisawa, Y. and Ando, H. (2020) Neogene Taga and Hitachi groups in the Kitaibaraki-Takahagi area, Ibaraki Prefecture, Japan: sedimentary complexes of shelf to slope deposits, submarine channel fills and submarine slide scar fills, reconstructed from lithostratigraphy and diatom biostratigraphy. Bulletin of the Geological Survey of Japan, vol. 71 (3), p. 85?199. |
| Godo Formaion, Tokigawa Group: Lower Langhian, 15.2 - 14.9 Ma, 15.6 - 15.2 Ma (Sandy silt gravels) 15.2 Ma: The last occurrence of Cavitatus lanceolatus 14.9 Ma: The base of diatom Subzone NPD 4Ba 15.6 Ma: The first occurrence of C. lanceolatus (The sandy silt gravels in the Godo Formation includes C. lanceolatus) Kurihara, Y., Horiuchi, S.and Yanagisawa, Y. (2003) Lithostratigraphy and integrated diatom and calcareous nannofossil biostratigraphy of the Miocene sequence in the Iwadono Hills area, Saitama Prefecture, central Japan. Jour. Geol. Soc. Japan, 109(4), p.215 - 233. |
| The lower part of the Sekinohana Formation: Calcareous nannofossil Zone CN4, Langhian, 14.9 - 13.5 Ma Kami, S., Kato, M., Kuchida, K. and Takayama, T. (1981) Geological Ages of Calcareous Sandstones on the Noto Peninsula. Annals of Science, College of Liberal Arts, Kanazawa University, 18, p.47 - 63. |
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