Authors Year Title
Fujikawa & Ishibashi 1999 Carboniferous and Permian Ammonoids from Northern Thailand (Paleontological Study of Paleozoic Cephalopods in Southeast Asia - 1).
Memoirs of the Faculty of Science, Kyushu University, Series D, 30 (3): 91-110, 11 fig.,  pl.2-3, Fukuoka.
Fujikawa & Ishibashi 2000 Paleobiogeography based on Paleozoic ammonoids in Southeast Asia.
Geosciences Journal, 4, special edition, 157-159, 2 fig.
Fujikawa & Ishibashi 2000 Paleozoic ammonoid paleobiogeography in Southeast Asia.
Geosciences Journal, 4 (4): 295-300, 6 fig.
Ishibashi, Fujikawa & Nakornsri 1996 Permian Ammonoids from the Loei area, Northeast Thailand.
Memoirs of the Faculty of Science, Kyushu University, Series D, 29 (2): 175-196, 9 fig., 5 tab., pl.11-13, Fukuoka.
Ishibashi, Fujikawa & Nakornsri 1997 Biostratigraphy of Carboniferous and Permian ammonoids in Thailand.
The International Conference on Stratigraphy and Tectonic Evolution of Southeast Asia and South Pacific, Bangkok 1997: 53-55, 2 fig.
Ishibashi, Fujikawa & Yoda 1998 Dorashamian biostratigraphy of the Doi Pha Phlung area, North Thailand. [T.Ishibashi, M.Fujikawa, S.Yoda & N.Nakornsri].
Proceedings of the Royal Society of Victoria, 110 (1/2): 221-226, 4 fig.