Nitta, M. & Nagasawa, K. (2015)
Heterocotyle chinensis (Monogenea: Monocotylidae) from the Whip Stingray Dasyatis akajei in the Seto Inland Sea, Japan. Species Diversity, 20(1), 89–93
DOI: 10.12782/sd.20.1.089
Tang, D. & Maranb, V. & Matsumoto, Y. & Nagasawa, K. (2013)
Redescription of Lepeophtheirus acutus Heegaard, 1943 (Copepoda: Caligidae) parasitic on two elasmobranch hosts off Okinawa-jima Island, Japan. Journal of Natural History, 47(5–12), 581–596
DOI: 10.1080/00222933.2012.738832
Nagasawa, K. & Senou, H. (2012)
Third record of Dinemoleus indeprensus (Copepoda: Pandaridae) from the megamouth shark, Megachasma pelagios. Biogeography, 14, 147–149
Tang, D. & Benz, G.W. & Nagasawa, K. (2012)
Description of the male of Prosaetes rhinodontis (Wright, 1876) (Crustacea, Copepoda, Siphonostomatoida), with a proposal to synonymize Cecropidae Dana, 1849 and Amaterasidae Izawa, 2008 with Pandaridae Milne Edwards, 1840. Zoosymposia, 8, 7–19
Tang, D. & Yanagisawa, M. & Nagasawa, K. (2010)
Redescription of Prosaetes rhinodontis (Wright, 1876) (Crustacea: Copepoda: Siphonostomatoida), an enigmatic parasite of the whale shark, Rhincodon typus Smith (Elasmobranchii: Orectolobiformes: Rhincodontidae). Zootaxa, 2493, 1–15
Nagasawa, K. (2009)
A note on Dinemoleus indeprensus, a parasitic copepod of the megamouth shark. [In Japanese; English abstract.] Report of the Japanese Society for Elasmobranch Studies, 45: 39–43
Yamauchi, T. & Ota, Y. & Nagasawa, K. (2008)
Stibarobdella macrothela (Annelida: Hirudinida: Piscicolidae) from elasmobranchs in Japanese waters, with new host records. Biogeography, 10, 53–57
Nagasawa, K. & Yamauchi, T. & Umino, T. (2008)
Synopsis of leeches of the families Piscicolidae and Ozobranchidae (Annelida, Rhynchobdellida) in Japan (1895-2008). (In Japanese with English abstract). Bulletin of the Biogeographical Society of Japan, 63, 151–171
Furiness, S. & Williams, J.I. & Nagasawa, K. & Burreson, E.M. (2007)
A collection of fish leeches (Hirudinida: Piscicolidae) from Japan and surrounding waters, including redescriptions of three species. Journal of Parasitology, 93(4), 875–883
DOI: 10.1645/GE-979R1.1
Benz, G.W. & Nagasawa, K. & Yamaguchi, A. & Mcmeans, B.C. & Mcelwain, A. (2006)
New host and ocean records for Driocephalus cerebrinoxius (Sphyriidae, Siphonostomatoida) and a reconsideration of phylogeny within Sphyriidae. Acta Ichthyologica et Piscatoria, 36(1), 1–9
Nagasawa, K. & Yamaguchi, A. (2006)
Driocephalus cerebrinoxius, a copepod parasitic in the olfactory sacs of the starspotted smooth-hound Mustelus manazo in Japan [in Japanese], Report of Japanese Society for Elasmobranch Studies, 42, 1–5
Ando, T.-A. & Nagasawa, K. & Nakaya, K. (2002)
Stomach Contents and Nematode Infection of Two Deep-water Catsharks, Apristurus fedorovi and A. japonicus, from Northern Japan. Bulletin of Fishery Sciences, Hokkaido University, 53(1), 41–43
Ho, J.-S. & Nagasawa, K. (2001)
New Records of Parasitic Copepoda from the Offshore Pelagic Fishes of Japan. Bulletin of the National Research Institute of Far Seas Fisheries, 38, 1–5
Moravec, F. & Nagasawa, K. (2000)
Two remarkable nematodes from sharks in Japan. Journal of Natural History, 34(1), 1–13
DOI: 10.1080/002229300299660
Nagasawa, K. (1998)
Predation by salmon sharks (Lamna ditropis) on Pacific salmon (Oncorhynchus spp.) in the North Pacific Ocean. North Pacific Anadromous Fish Commission, Bulletin, 1, 419–433
Nagasawa, K. & Tanaka, Sho & Benz, G.W. (1998)
Trebius shiinoi n. sp. (Trebiidae: Siphonostomatoida: Copepoda) from uteri and embryos of the Japanese angelshark (Squatina japonica) and the clouded angelshark (Squatina nebulosa), and redescription of Trebius longicaudatus. Journal of Parasitology, 84(6), 1218–1230
Caira, J.N. & Jensen, K. & Yamane, Y. & Isobe, A. & Nagasawa, K. (1997)
On the tapeworms of Megachasma pelagios: Description of a new genus and species of lecanicephalidean and additional information on the trypanorhynch Mixodigma leptaleum. In K. Yano, J.F. Morrissey, Y. Yabumoto & K. Nakaya, eds. Biology of the megamouth shark, Tokai U. Press: 181–191
Nagasawa, K. & Nakaya, K. (1997)
The parasitic copepod Dinemoleus indeprensus (Siphonostomatoida: Pandaridae) from the megamouth shark, Megachasma pelagios, from Japan. In K. Yano, J.F. Morrissey, Y. Yabumoto & K. Nakaya, eds. Biology of the megamouth shark, Tokai U. Press: 177–179
Nakano, H. & Nagasawa, K. (1996)
Distribution of Pelagic Elasmobranchs Caught by Salmon Research Gillnets in the North Pacific. Fisheries Science, 62(6), 860–865
DOI: 10.2331/fishsci.62.860