Shinji Isaji. Molluscan Faunal Changes from Brackish to Freshwater Deposits in the Lower Cretaceous Itsuki Formation of the Tetori Group, Japan. Paleontological Research. 2023. 28. 1. 1-25
Hirochika Ueda, Yusuke Sakai, Makoto Manabe, Takanobu Tsuihiji, Shinji Isaji, Masatoshi Okura. Morphometric and Cladistic Analyses of a Theropod Tooth from the Itsuki Formation of the Tetori Group in the Kuzuryu District, Ono City, Fukui Prefecture, Japan. Paleontological Research. 2022. 27. 1. 51-72
Shinji Isaji, Takuma Haga, Kenji Kashiwagi. Early Cretaceous Small-Sized Gastropods from the Shallow Marine Deposits of the Kimigahama Formation, Choshi Group, Japan. Paleontological Research. 2022. 26. 1