Ken-ichi Okumura, 2018. Re-evaluation of internal female genitalia in the taxonomy of coelotine spiders.The 50th Annual Meeting of Arachnological Society of Japan. Hiroshima University, Hiroshima.
Ken-ichi Okumura, Naoki Koike & Takafumi Nakano, 2017. True classification of Coelotes plancyi Simon 1880. 49th Annual Meeting of Arachnological Society of Japan. University of the Ryukyus, Okinawa.
Ken-ichi Okumura, Mitsuru Noine & Shin-ya Ohba, 2016. The taxonomy of the coelotine spiders having two retromarginal teeth. 48th Annual Meeting of Arachnological Society of Japan. The Unversity of Tokyo, Kashiwa Campus.
Ken-ichi Okumura, Mitsuru Noine & Shin-ya Ohba, 2015. Taxonomic revisions of the subfamily coelotinae (Araneae: Agelenidae) based on molecular phylogenetic analyses. 47th Annual Meeting of Arachnological Society of Japan. Kyoto Womenfs University,
Kyoto.
Ken-ichi Okumura, 2014. Morphological diversity of the epigyne of Coelotes unicatus Yaginuma 1977. 46th Annual Meeting of Arachnological Society of Japan. Nagoya City University, Aichi.
