- Imajima 1972
- Review of the annelid worms of the familie Nereidae (sic) of Japan, with descriptions of five new species or subspecies. Bull. nat. Sci. Mus., 15(1): 37-153.
- Imajima 1961
- Polychaetous Annelids collected off the west coast of Kamchatka. Publ. Seto Mar. Biol. Lab., 9(1): 81-102.
- Imajima 1991
- Spionidae (Annelida: Polychaeta) from Japan VII: The genus Spiophanes . Bulletin of the Nat. Sci. Museum Series A, 17(3): 115-137.
- Imajima, 1987
- Oweniidae (Annelida, Polychaeta) from Japan. Bull. natn. Sci. Mus., Tokyo, Ser. A, 13(3): 85-102.
- Imajima, 1982
- Maldanidae (Annelida: Polychaeta) from Japan (part 2). Bull. natn. Sci. Mus. Tokyo (Zool.), 8: 47-88.