1. 青木直昭・馬場勝良 (Aoki, N. and Baba, K.), 1973, 関東平野東部, 下総層群の層序と貝化石群のまとめ．地質雑 (Jour. Geol. Soc. Japan), 79, 453-464.
2. 青木直昭・池田宣弘・杉山悠紀子・粟野俊昭・堀口 興・小池桂子・吉村 文・川瀬嶺古・西川正子 (Aoki, N., Ikeda, N., Sugiyama, Y., Awano, T., Horiguchi, O., Koike, K., Yoshimura, F., Kawase, M. and Nishikawa, M.), 1962, 地蔵堂層および薮層の模式層序と貝化石群の再記載．地質雑 (Jour. Geol. Soc. Japan), 68, 507-517.
3. Buzas, M. A. and Gibson, T. G., 1969, Species diversity: benthonic foraminifera in western North Atlantic. Science, 163, 72-75.
4. Fabi, G., Manoukian, S. and Spagnolo, A., 2009, Impact of an open-sea suspended mussel culture on macrobenthic community (Western Adriatic Sea). Aquaculture, 289, 54-63.
5. Hammer, O., Harper, D. A. T. and Ryan, P. D., 2001, PAST: Paleontological statistics software package for education and data analysis. Palaeontologia Electronica, 4, 9p. http://palaeo-electronica.org/2001_1/past/issue1_01.htm