Takahashi, Keiichi

2 publications

Horikawa, Hideo; Kobayashi, Iwao; Takahashi, Keiichi (detail)
1987[Marine mammal fossils from Niigata Prefecture.] In: Y. Hasegawa (ed.), [Study on fossil marine mammals from Japan. (Subject of study) Studies on biostratigraphy and paleontology of Cenozoic marine mammals.]
Japan, Ministry of Education, Aid for Scientific Study, Synthetic Study A, Subject No. 61304010: 18-20. March 1987.
—In Japanese.
Kobayashi, Iwao; Takahashi, Keiichi; Horikawa, Hideo (detail)
1988[Neogene marine mammal fossils from Niigata Prefecture.] In: Y. Hasegawa (ed.), [Study on fossil marine mammals from Japan. (Subject of study) Studies on biostratigraphy and paleontology of Cenozoic marine mammals.]
Japan, Ministry of Education, Aid for Scientific Study, Synthetic Study A, Subject No. 61304010: 18-21. 1 fig. March 1988.
—In Japanese.