by Kofukuda, Daisuke, Isozaki, Yukio, Igo, Hisayoshi
Published in Journal of Asian earth sciences (15.03.2014)

by Kasuya, Akihisa, Isozaki, Yukio, Igo, Hisayoshi
Published in Gondwana research (01.03.2012)

by Igo, Hisayoshi
Published in Fossils (28.09.2006)

by Igo, Hisayoshi
Published in Fossils (28.09.2005)

by Sashida, Katsuo, Igo, Hisayoshi, Adachi, Shuko, Ueno, Katsumi, Kajiwara, Yoshimichi, Nakornsri, Nikorn, Sardsud, Apsorn
Published in Journal of paleontology (01.09.2000)

by Igo, Hisayoshi
Published in Fossils (29.03.2002)

by Igo, Hisayoshi
Published in Fossils (20.09.2000)

by 猪郷, 久義
Published in 化石 (2006)

by 猪郷, 久義
Published in 化石 (2005)

by 猪郷, 久義
Published in 化石 (2000)

by Igo, Hisayoshi
Published in Fossils (15.06.1983)

by 猪郷, 久義, 大花, 民子
Published in 化石 (2002)

by KIKUCHI, Yoshibumi, ADACHI, Shuko, IGO, Hisayoshi
Published in Chigaku zasshi (1997)

by IGO, Hisayoshi
Published in Proceedings of the Japan Academy (1960)

by Ueno, Katsumi, Maruyama, Tomoyo, Hisada, Ken-ichiro, Igo, Hisayoshi
Published in Chishitsugaku zasshi (1994)

by IWASAKI, Toshinori, SASHIDA, Katsuo, IGO, Hisayoshi
Published in Chishitsugaku zasshi (01.10.1989)

by ADACHI, Shuko, IGO, Hisayoshi
Published in Proceedings of the Japan Academy, Series B (01.01.1980)

by Kamata, Yoshihito, Sashida, Katsuo, Igo, Hisayoshi
Published in Chishitsugaku zasshi (1991)

by IGO, Hisayoshi
Published in Chigaku zasshi (1972)

by IWASAKI, Toshinori, SASHIDA, Katsuo, IGO, Hisayoshi
Published in The Journal of the Geological Society of Japan (1989)